Home / 67,549.29-93,156.05-40,645.09

Finding the Fourth Proportional to 67,549.29, 93,156.05 and 40,645.09

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Solution

The fourth proportional to 67,549.29, 93,156.05 and 40,645.09 is: 56,052.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,549.29 : 93,156.05 = 40,645.09 : x
  2. Step 2: Convert to fraction form
    67,549.29/93,156.05 = 40,645.09/x
  3. Step 3: Cross multiply
    67,549.29x = 93,156.05 × 40,645.09
  4. Step 4: Simplify right side
    67,549.29x = 3,786,336,140.04
  5. Step 5: Solve for x
    x = 3,786,336,140.04/67,549.29
  6. Step 6: Final answer
    x = 56,052.94

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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.