Home / 75,403.13-104,091.78-43,565.88

Finding the Fourth Proportional to 75,403.13, 104,091.78 and 43,565.88

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Solution

The fourth proportional to 75,403.13, 104,091.78 and 43,565.88 is: 60,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,403.13 : 104,091.78 = 43,565.88 : x
  2. Step 2: Convert to fraction form
    75,403.13/104,091.78 = 43,565.88/x
  3. Step 3: Cross multiply
    75,403.13x = 104,091.78 × 43,565.88
  4. Step 4: Simplify right side
    75,403.13x = 4,534,849,671.91
  5. Step 5: Solve for x
    x = 4,534,849,671.91/75,403.13
  6. Step 6: Final answer
    x = 60,141.40

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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.