Home / 72,864.12-100,557.63-40,600.88

Finding the Fourth Proportional to 72,864.12, 100,557.63 and 40,600.88

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Solution

The fourth proportional to 72,864.12, 100,557.63 and 40,600.88 is: 56,032.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,864.12 : 100,557.63 = 40,600.88 : x
  2. Step 2: Convert to fraction form
    72,864.12/100,557.63 = 40,600.88/x
  3. Step 3: Cross multiply
    72,864.12x = 100,557.63 × 40,600.88
  4. Step 4: Simplify right side
    72,864.12x = 4,082,727,765.93
  5. Step 5: Solve for x
    x = 4,082,727,765.93/72,864.12
  6. Step 6: Final answer
    x = 56,032.07

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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.