Home / 62,115.59-85,697.67-40,617.91

Finding the Fourth Proportional to 62,115.59, 85,697.67 and 40,617.91

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Solution

The fourth proportional to 62,115.59, 85,697.67 and 40,617.91 is: 56,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,115.59 : 85,697.67 = 40,617.91 : x
  2. Step 2: Convert to fraction form
    62,115.59/85,697.67 = 40,617.91/x
  3. Step 3: Cross multiply
    62,115.59x = 85,697.67 × 40,617.91
  4. Step 4: Simplify right side
    62,115.59x = 3,480,860,033.03
  5. Step 5: Solve for x
    x = 3,480,860,033.03/62,115.59
  6. Step 6: Final answer
    x = 56,038.43

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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.