Home / 63,520.16-87,656.28-34,840.20

Finding the Fourth Proportional to 63,520.16, 87,656.28 and 34,840.20

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Solution

The fourth proportional to 63,520.16, 87,656.28 and 34,840.20 is: 48,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,520.16 : 87,656.28 = 34,840.20 : x
  2. Step 2: Convert to fraction form
    63,520.16/87,656.28 = 34,840.20/x
  3. Step 3: Cross multiply
    63,520.16x = 87,656.28 × 34,840.20
  4. Step 4: Simplify right side
    63,520.16x = 3,053,962,326.46
  5. Step 5: Solve for x
    x = 3,053,962,326.46/63,520.16
  6. Step 6: Final answer
    x = 48,078.63

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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.