Home / 63,264.16-94,906.08-21,131.20

Finding the Fourth Proportional to 63,264.16, 94,906.08 and 21,131.20

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Solution

The fourth proportional to 63,264.16, 94,906.08 and 21,131.20 is: 31,700.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,264.16 : 94,906.08 = 21,131.20 : x
  2. Step 2: Convert to fraction form
    63,264.16/94,906.08 = 21,131.20/x
  3. Step 3: Cross multiply
    63,264.16x = 94,906.08 × 21,131.20
  4. Step 4: Simplify right side
    63,264.16x = 2,005,479,357.70
  5. Step 5: Solve for x
    x = 2,005,479,357.70/63,264.16
  6. Step 6: Final answer
    x = 31,700.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.