Home / 67,512.35-93,167.04-39,219.86

Finding the Fourth Proportional to 67,512.35, 93,167.04 and 39,219.86

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Solution

The fourth proportional to 67,512.35, 93,167.04 and 39,219.86 is: 54,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,512.35 : 93,167.04 = 39,219.86 : x
  2. Step 2: Convert to fraction form
    67,512.35/93,167.04 = 39,219.86/x
  3. Step 3: Cross multiply
    67,512.35x = 93,167.04 × 39,219.86
  4. Step 4: Simplify right side
    67,512.35x = 3,653,997,603.48
  5. Step 5: Solve for x
    x = 3,653,997,603.48/67,512.35
  6. Step 6: Final answer
    x = 54,123.40

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1.5x scale

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.