Home / 67,661.73-93,206.30-57,557.79

Finding the Fourth Proportional to 67,661.73, 93,206.30 and 57,557.79

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Solution

The fourth proportional to 67,661.73, 93,206.30 and 57,557.79 is: 79,287.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,661.73 : 93,206.30 = 57,557.79 : x
  2. Step 2: Convert to fraction form
    67,661.73/93,206.30 = 57,557.79/x
  3. Step 3: Cross multiply
    67,661.73x = 93,206.30 × 57,557.79
  4. Step 4: Simplify right side
    67,661.73x = 5,364,748,354.29
  5. Step 5: Solve for x
    x = 5,364,748,354.29/67,661.73
  6. Step 6: Final answer
    x = 79,287.78

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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.