Home / 74,335.53-102,583.14-42,505.11

Finding the Fourth Proportional to 74,335.53, 102,583.14 and 42,505.11

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Solution

The fourth proportional to 74,335.53, 102,583.14 and 42,505.11 is: 58,657.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,335.53 : 102,583.14 = 42,505.11 : x
  2. Step 2: Convert to fraction form
    74,335.53/102,583.14 = 42,505.11/x
  3. Step 3: Cross multiply
    74,335.53x = 102,583.14 × 42,505.11
  4. Step 4: Simplify right side
    74,335.53x = 4,360,307,649.85
  5. Step 5: Solve for x
    x = 4,360,307,649.85/74,335.53
  6. Step 6: Final answer
    x = 58,657.11

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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.