Home / 74,301.30-111,060.45-72,529.56

Finding the Fourth Proportional to 74,301.30, 111,060.45 and 72,529.56

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Solution

The fourth proportional to 74,301.30, 111,060.45 and 72,529.56 is: 108,412.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,301.30 : 111,060.45 = 72,529.56 : x
  2. Step 2: Convert to fraction form
    74,301.30/111,060.45 = 72,529.56/x
  3. Step 3: Cross multiply
    74,301.30x = 111,060.45 × 72,529.56
  4. Step 4: Simplify right side
    74,301.30x = 8,055,165,571.90
  5. Step 5: Solve for x
    x = 8,055,165,571.90/74,301.30
  6. Step 6: Final answer
    x = 108,412.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.