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Finding the Fourth Proportional to 62,029.40, 93,044.10 and 57,655.40

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Solution

The fourth proportional to 62,029.40, 93,044.10 and 57,655.40 is: 86,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,029.40 : 93,044.10 = 57,655.40 : x
  2. Step 2: Convert to fraction form
    62,029.40/93,044.10 = 57,655.40/x
  3. Step 3: Cross multiply
    62,029.40x = 93,044.10 × 57,655.40
  4. Step 4: Simplify right side
    62,029.40x = 5,364,494,803.14
  5. Step 5: Solve for x
    x = 5,364,494,803.14/62,029.40
  6. Step 6: Final answer
    x = 86,483.10

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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.