Home / 74,440.20-111,663.98-30,061.45

Finding the Fourth Proportional to 74,440.20, 111,663.98 and 30,061.45

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Solution

The fourth proportional to 74,440.20, 111,663.98 and 30,061.45 is: 45,093.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,440.20 : 111,663.98 = 30,061.45 : x
  2. Step 2: Convert to fraction form
    74,440.20/111,663.98 = 30,061.45/x
  3. Step 3: Cross multiply
    74,440.20x = 111,663.98 × 30,061.45
  4. Step 4: Simplify right side
    74,440.20x = 3,356,781,151.57
  5. Step 5: Solve for x
    x = 3,356,781,151.57/74,440.20
  6. Step 6: Final answer
    x = 45,093.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.