Home / 74,060-102,200.26-42,239.15

Finding the Fourth Proportional to 74,060, 102,200.26 and 42,239.15

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Solution

The fourth proportional to 74,060, 102,200.26 and 42,239.15 is: 58,288.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,060 : 102,200.26 = 42,239.15 : x
  2. Step 2: Convert to fraction form
    74,060/102,200.26 = 42,239.15/x
  3. Step 3: Cross multiply
    74,060x = 102,200.26 × 42,239.15
  4. Step 4: Simplify right side
    74,060x = 4,316,852,112.18
  5. Step 5: Solve for x
    x = 4,316,852,112.18/74,060
  6. Step 6: Final answer
    x = 58,288.58

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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.