Home / 62,412.96-86,131.76-34,120.16

Finding the Fourth Proportional to 62,412.96, 86,131.76 and 34,120.16

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Solution

The fourth proportional to 62,412.96, 86,131.76 and 34,120.16 is: 47,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,412.96 : 86,131.76 = 34,120.16 : x
  2. Step 2: Convert to fraction form
    62,412.96/86,131.76 = 34,120.16/x
  3. Step 3: Cross multiply
    62,412.96x = 86,131.76 × 34,120.16
  4. Step 4: Simplify right side
    62,412.96x = 2,938,829,432.28
  5. Step 5: Solve for x
    x = 2,938,829,432.28/62,412.96
  6. Step 6: Final answer
    x = 47,086.85

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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.