Home / 70,681.17-97,540.56-38,850.60

Finding the Fourth Proportional to 70,681.17, 97,540.56 and 38,850.60

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Solution

The fourth proportional to 70,681.17, 97,540.56 and 38,850.60 is: 53,614.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,681.17 : 97,540.56 = 38,850.60 : x
  2. Step 2: Convert to fraction form
    70,681.17/97,540.56 = 38,850.60/x
  3. Step 3: Cross multiply
    70,681.17x = 97,540.56 × 38,850.60
  4. Step 4: Simplify right side
    70,681.17x = 3,789,509,280.34
  5. Step 5: Solve for x
    x = 3,789,509,280.34/70,681.17
  6. Step 6: Final answer
    x = 53,614.13

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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.