Home / 63,420.24-87,520.57-38,264.88

Finding the Fourth Proportional to 63,420.24, 87,520.57 and 38,264.88

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Solution

The fourth proportional to 63,420.24, 87,520.57 and 38,264.88 is: 52,805.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,420.24 : 87,520.57 = 38,264.88 : x
  2. Step 2: Convert to fraction form
    63,420.24/87,520.57 = 38,264.88/x
  3. Step 3: Cross multiply
    63,420.24x = 87,520.57 × 38,264.88
  4. Step 4: Simplify right side
    63,420.24x = 3,348,963,575.32
  5. Step 5: Solve for x
    x = 3,348,963,575.32/63,420.24
  6. Step 6: Final answer
    x = 52,805.92

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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.