Home / 62,423.06-86,144.64-34,128.78

Finding the Fourth Proportional to 62,423.06, 86,144.64 and 34,128.78

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Solution

The fourth proportional to 62,423.06, 86,144.64 and 34,128.78 is: 47,098.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,423.06 : 86,144.64 = 34,128.78 : x
  2. Step 2: Convert to fraction form
    62,423.06/86,144.64 = 34,128.78/x
  3. Step 3: Cross multiply
    62,423.06x = 86,144.64 × 34,128.78
  4. Step 4: Simplify right side
    62,423.06x = 2,940,011,466.74
  5. Step 5: Solve for x
    x = 2,940,011,466.74/62,423.06
  6. Step 6: Final answer
    x = 47,098.16

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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.