Home / 57,489.90-86,206.02-36,472.16

Finding the Fourth Proportional to 57,489.90, 86,206.02 and 36,472.16

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Solution

The fourth proportional to 57,489.90, 86,206.02 and 36,472.16 is: 54,689.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,489.90 : 86,206.02 = 36,472.16 : x
  2. Step 2: Convert to fraction form
    57,489.90/86,206.02 = 36,472.16/x
  3. Step 3: Cross multiply
    57,489.90x = 86,206.02 × 36,472.16
  4. Step 4: Simplify right side
    57,489.90x = 3,144,119,323.37
  5. Step 5: Solve for x
    x = 3,144,119,323.37/57,489.90
  6. Step 6: Final answer
    x = 54,689.94

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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.