Home / 70,747.02-97,629.26-38,915.24

Finding the Fourth Proportional to 70,747.02, 97,629.26 and 38,915.24

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Solution

The fourth proportional to 70,747.02, 97,629.26 and 38,915.24 is: 53,702.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,747.02 : 97,629.26 = 38,915.24 : x
  2. Step 2: Convert to fraction form
    70,747.02/97,629.26 = 38,915.24/x
  3. Step 3: Cross multiply
    70,747.02x = 97,629.26 × 38,915.24
  4. Step 4: Simplify right side
    70,747.02x = 3,799,266,083.92
  5. Step 5: Solve for x
    x = 3,799,266,083.92/70,747.02
  6. Step 6: Final answer
    x = 53,702.14

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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.