Home / 83,437.17-125,145.31-27,272.58

Finding the Fourth Proportional to 83,437.17, 125,145.31 and 27,272.58

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Solution

The fourth proportional to 83,437.17, 125,145.31 and 27,272.58 is: 40,905.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,437.17 : 125,145.31 = 27,272.58 : x
  2. Step 2: Convert to fraction form
    83,437.17/125,145.31 = 27,272.58/x
  3. Step 3: Cross multiply
    83,437.17x = 125,145.31 × 27,272.58
  4. Step 4: Simplify right side
    83,437.17x = 3,413,035,478.60
  5. Step 5: Solve for x
    x = 3,413,035,478.60/83,437.17
  6. Step 6: Final answer
    x = 40,905.46

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1.5x scale

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.