Home / 67,633.50-93,335.10-38,958.18

Finding the Fourth Proportional to 67,633.50, 93,335.10 and 38,958.18

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Solution

The fourth proportional to 67,633.50, 93,335.10 and 38,958.18 is: 53,762.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,633.50 : 93,335.10 = 38,958.18 : x
  2. Step 2: Convert to fraction form
    67,633.50/93,335.10 = 38,958.18/x
  3. Step 3: Cross multiply
    67,633.50x = 93,335.10 × 38,958.18
  4. Step 4: Simplify right side
    67,633.50x = 3,636,165,626.12
  5. Step 5: Solve for x
    x = 3,636,165,626.12/67,633.50
  6. Step 6: Final answer
    x = 53,762.79

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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.