Home / 68,425.28-94,421.50-38,208.24

Finding the Fourth Proportional to 68,425.28, 94,421.50 and 38,208.24

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Solution

The fourth proportional to 68,425.28, 94,421.50 and 38,208.24 is: 52,724.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,425.28 : 94,421.50 = 38,208.24 : x
  2. Step 2: Convert to fraction form
    68,425.28/94,421.50 = 38,208.24/x
  3. Step 3: Cross multiply
    68,425.28x = 94,421.50 × 38,208.24
  4. Step 4: Simplify right side
    68,425.28x = 3,607,679,333.16
  5. Step 5: Solve for x
    x = 3,607,679,333.16/68,425.28
  6. Step 6: Final answer
    x = 52,724.36

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Double scale
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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.