Home / 63,915.38-88,362.66-47,972.15

Finding the Fourth Proportional to 63,915.38, 88,362.66 and 47,972.15

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Solution

The fourth proportional to 63,915.38, 88,362.66 and 47,972.15 is: 66,321.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,915.38 : 88,362.66 = 47,972.15 : x
  2. Step 2: Convert to fraction form
    63,915.38/88,362.66 = 47,972.15/x
  3. Step 3: Cross multiply
    63,915.38x = 88,362.66 × 47,972.15
  4. Step 4: Simplify right side
    63,915.38x = 4,238,946,779.92
  5. Step 5: Solve for x
    x = 4,238,946,779.92/63,915.38
  6. Step 6: Final answer
    x = 66,321.23

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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.