Home / 70,747.01-97,629.27-38,915.24

Finding the Fourth Proportional to 70,747.01, 97,629.27 and 38,915.24

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Solution

The fourth proportional to 70,747.01, 97,629.27 and 38,915.24 is: 53,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,747.01 : 97,629.27 = 38,915.24 : x
  2. Step 2: Convert to fraction form
    70,747.01/97,629.27 = 38,915.24/x
  3. Step 3: Cross multiply
    70,747.01x = 97,629.27 × 38,915.24
  4. Step 4: Simplify right side
    70,747.01x = 3,799,266,473.07
  5. Step 5: Solve for x
    x = 3,799,266,473.07/70,747.01
  6. Step 6: Final answer
    x = 53,702.15

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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.