Home / 70,154.22-96,813.16-38,323.64

Finding the Fourth Proportional to 70,154.22, 96,813.16 and 38,323.64

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Solution

The fourth proportional to 70,154.22, 96,813.16 and 38,323.64 is: 52,886.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,154.22 : 96,813.16 = 38,323.64 : x
  2. Step 2: Convert to fraction form
    70,154.22/96,813.16 = 38,323.64/x
  3. Step 3: Cross multiply
    70,154.22x = 96,813.16 × 38,323.64
  4. Step 4: Simplify right side
    70,154.22x = 3,710,232,691.10
  5. Step 5: Solve for x
    x = 3,710,232,691.10/70,154.22
  6. Step 6: Final answer
    x = 52,886.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.