Home / 74,387.02-102,654.07-40,853.02

Finding the Fourth Proportional to 74,387.02, 102,654.07 and 40,853.02

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Solution

The fourth proportional to 74,387.02, 102,654.07 and 40,853.02 is: 56,377.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,387.02 : 102,654.07 = 40,853.02 : x
  2. Step 2: Convert to fraction form
    74,387.02/102,654.07 = 40,853.02/x
  3. Step 3: Cross multiply
    74,387.02x = 102,654.07 × 40,853.02
  4. Step 4: Simplify right side
    74,387.02x = 4,193,728,774.79
  5. Step 5: Solve for x
    x = 4,193,728,774.79/74,387.02
  6. Step 6: Final answer
    x = 56,377.16

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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.