Home / 67,897.59-93,709.92-39,603.27

Finding the Fourth Proportional to 67,897.59, 93,709.92 and 39,603.27

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Solution

The fourth proportional to 67,897.59, 93,709.92 and 39,603.27 is: 54,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,897.59 : 93,709.92 = 39,603.27 : x
  2. Step 2: Convert to fraction form
    67,897.59/93,709.92 = 39,603.27/x
  3. Step 3: Cross multiply
    67,897.59x = 93,709.92 × 39,603.27
  4. Step 4: Simplify right side
    67,897.59x = 3,711,219,263.44
  5. Step 5: Solve for x
    x = 3,711,219,263.44/67,897.59
  6. Step 6: Final answer
    x = 54,659.07

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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.