Home / 74,024.52-102,154.64-40,490.52

Finding the Fourth Proportional to 74,024.52, 102,154.64 and 40,490.52

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Solution

The fourth proportional to 74,024.52, 102,154.64 and 40,490.52 is: 55,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,024.52 : 102,154.64 = 40,490.52 : x
  2. Step 2: Convert to fraction form
    74,024.52/102,154.64 = 40,490.52/x
  3. Step 3: Cross multiply
    74,024.52x = 102,154.64 × 40,490.52
  4. Step 4: Simplify right side
    74,024.52x = 4,136,294,494.01
  5. Step 5: Solve for x
    x = 4,136,294,494.01/74,024.52
  6. Step 6: Final answer
    x = 55,877.36

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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.