Home / 74,523.13-102,811.57-42,250.95

Finding the Fourth Proportional to 74,523.13, 102,811.57 and 42,250.95

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Solution

The fourth proportional to 74,523.13, 102,811.57 and 42,250.95 is: 58,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,523.13 : 102,811.57 = 42,250.95 : x
  2. Step 2: Convert to fraction form
    74,523.13/102,811.57 = 42,250.95/x
  3. Step 3: Cross multiply
    74,523.13x = 102,811.57 × 42,250.95
  4. Step 4: Simplify right side
    74,523.13x = 4,343,886,397.86
  5. Step 5: Solve for x
    x = 4,343,886,397.86/74,523.13
  6. Step 6: Final answer
    x = 58,289.10

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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.