Home / 67,877.28-93,670.62-39,577.50

Finding the Fourth Proportional to 67,877.28, 93,670.62 and 39,577.50

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Solution

The fourth proportional to 67,877.28, 93,670.62 and 39,577.50 is: 54,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,877.28 : 93,670.62 = 39,577.50 : x
  2. Step 2: Convert to fraction form
    67,877.28/93,670.62 = 39,577.50/x
  3. Step 3: Cross multiply
    67,877.28x = 93,670.62 × 39,577.50
  4. Step 4: Simplify right side
    67,877.28x = 3,707,248,963.05
  5. Step 5: Solve for x
    x = 3,707,248,963.05/67,877.28
  6. Step 6: Final answer
    x = 54,616.93

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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.