Home / 74,436.37-102,731.01-42,615.52

Finding the Fourth Proportional to 74,436.37, 102,731.01 and 42,615.52

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Solution

The fourth proportional to 74,436.37, 102,731.01 and 42,615.52 is: 58,814.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,436.37 : 102,731.01 = 42,615.52 : x
  2. Step 2: Convert to fraction form
    74,436.37/102,731.01 = 42,615.52/x
  3. Step 3: Cross multiply
    74,436.37x = 102,731.01 × 42,615.52
  4. Step 4: Simplify right side
    74,436.37x = 4,377,934,897.62
  5. Step 5: Solve for x
    x = 4,377,934,897.62/74,436.37
  6. Step 6: Final answer
    x = 58,814.46

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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.