Home / 72,113.20-108,210.52-38,832.56

Finding the Fourth Proportional to 72,113.20, 108,210.52 and 38,832.56

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Solution

The fourth proportional to 72,113.20, 108,210.52 and 38,832.56 is: 58,270.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,113.20 : 108,210.52 = 38,832.56 : x
  2. Step 2: Convert to fraction form
    72,113.20/108,210.52 = 38,832.56/x
  3. Step 3: Cross multiply
    72,113.20x = 108,210.52 × 38,832.56
  4. Step 4: Simplify right side
    72,113.20x = 4,202,091,510.53
  5. Step 5: Solve for x
    x = 4,202,091,510.53/72,113.20
  6. Step 6: Final answer
    x = 58,270.77

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1.5x scale

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.