Home / 68,641.24-94,726.52-38,425.80

Finding the Fourth Proportional to 68,641.24, 94,726.52 and 38,425.80

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Solution

The fourth proportional to 68,641.24, 94,726.52 and 38,425.80 is: 53,028.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,641.24 : 94,726.52 = 38,425.80 : x
  2. Step 2: Convert to fraction form
    68,641.24/94,726.52 = 38,425.80/x
  3. Step 3: Cross multiply
    68,641.24x = 94,726.52 × 38,425.80
  4. Step 4: Simplify right side
    68,641.24x = 3,639,942,312.22
  5. Step 5: Solve for x
    x = 3,639,942,312.22/68,641.24
  6. Step 6: Final answer
    x = 53,028.50

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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.