Home / 57,772.15-86,661.30-18,332.35

Finding the Fourth Proportional to 57,772.15, 86,661.30 and 18,332.35

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Solution

The fourth proportional to 57,772.15, 86,661.30 and 18,332.35 is: 27,499.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,772.15 : 86,661.30 = 18,332.35 : x
  2. Step 2: Convert to fraction form
    57,772.15/86,661.30 = 18,332.35/x
  3. Step 3: Cross multiply
    57,772.15x = 86,661.30 × 18,332.35
  4. Step 4: Simplify right side
    57,772.15x = 1,588,705,283.06
  5. Step 5: Solve for x
    x = 1,588,705,283.06/57,772.15
  6. Step 6: Final answer
    x = 27,499.50

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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.