Home / 83,331.48-114,995.16-47,520.66

Finding the Fourth Proportional to 83,331.48, 114,995.16 and 47,520.66

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Solution

The fourth proportional to 83,331.48, 114,995.16 and 47,520.66 is: 65,577.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,331.48 : 114,995.16 = 47,520.66 : x
  2. Step 2: Convert to fraction form
    83,331.48/114,995.16 = 47,520.66/x
  3. Step 3: Cross multiply
    83,331.48x = 114,995.16 × 47,520.66
  4. Step 4: Simplify right side
    83,331.48x = 5,464,645,900.01
  5. Step 5: Solve for x
    x = 5,464,645,900.01/83,331.48
  6. Step 6: Final answer
    x = 65,577.21

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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.