Home / 67,363.91-92,962.15-38,685.45

Finding the Fourth Proportional to 67,363.91, 92,962.15 and 38,685.45

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Solution

The fourth proportional to 67,363.91, 92,962.15 and 38,685.45 is: 53,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,363.91 : 92,962.15 = 38,685.45 : x
  2. Step 2: Convert to fraction form
    67,363.91/92,962.15 = 38,685.45/x
  3. Step 3: Cross multiply
    67,363.91x = 92,962.15 × 38,685.45
  4. Step 4: Simplify right side
    67,363.91x = 3,596,282,605.72
  5. Step 5: Solve for x
    x = 3,596,282,605.72/67,363.91
  6. Step 6: Final answer
    x = 53,385.89

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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.