Home / 62,854.40-86,740.16-34,562.72

Finding the Fourth Proportional to 62,854.40, 86,740.16 and 34,562.72

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Solution

The fourth proportional to 62,854.40, 86,740.16 and 34,562.72 is: 47,697.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,854.40 : 86,740.16 = 34,562.72 : x
  2. Step 2: Convert to fraction form
    62,854.40/86,740.16 = 34,562.72/x
  3. Step 3: Cross multiply
    62,854.40x = 86,740.16 × 34,562.72
  4. Step 4: Simplify right side
    62,854.40x = 2,997,975,862.84
  5. Step 5: Solve for x
    x = 2,997,975,862.84/62,854.40
  6. Step 6: Final answer
    x = 47,697.15

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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.