Home / 96,772.32-145,158.50-30,218.15

Finding the Fourth Proportional to 96,772.32, 145,158.50 and 30,218.15

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Solution

The fourth proportional to 96,772.32, 145,158.50 and 30,218.15 is: 45,327.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,772.32 : 145,158.50 = 30,218.15 : x
  2. Step 2: Convert to fraction form
    96,772.32/145,158.50 = 30,218.15/x
  3. Step 3: Cross multiply
    96,772.32x = 145,158.50 × 30,218.15
  4. Step 4: Simplify right side
    96,772.32x = 4,386,421,326.78
  5. Step 5: Solve for x
    x = 4,386,421,326.78/96,772.32
  6. Step 6: Final answer
    x = 45,327.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.