Home / 74,273.60-102,498-42,443.66

Finding the Fourth Proportional to 74,273.60, 102,498 and 42,443.66

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Solution

The fourth proportional to 74,273.60, 102,498 and 42,443.66 is: 58,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,273.60 : 102,498 = 42,443.66 : x
  2. Step 2: Convert to fraction form
    74,273.60/102,498 = 42,443.66/x
  3. Step 3: Cross multiply
    74,273.60x = 102,498 × 42,443.66
  4. Step 4: Simplify right side
    74,273.60x = 4,350,390,262.68
  5. Step 5: Solve for x
    x = 4,350,390,262.68/74,273.60
  6. Step 6: Final answer
    x = 58,572.50

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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.