Home / 84,575.31-116,657.66-54,398.82

Finding the Fourth Proportional to 84,575.31, 116,657.66 and 54,398.82

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Solution

The fourth proportional to 84,575.31, 116,657.66 and 54,398.82 is: 75,034.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,575.31 : 116,657.66 = 54,398.82 : x
  2. Step 2: Convert to fraction form
    84,575.31/116,657.66 = 54,398.82/x
  3. Step 3: Cross multiply
    84,575.31x = 116,657.66 × 54,398.82
  4. Step 4: Simplify right side
    84,575.31x = 6,346,038,775.97
  5. Step 5: Solve for x
    x = 6,346,038,775.97/84,575.31
  6. Step 6: Final answer
    x = 75,034.18

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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.