Home / 83,842.70-125,776.56-27,688.76

Finding the Fourth Proportional to 83,842.70, 125,776.56 and 27,688.76

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Solution

The fourth proportional to 83,842.70, 125,776.56 and 27,688.76 is: 41,537.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,842.70 : 125,776.56 = 27,688.76 : x
  2. Step 2: Convert to fraction form
    83,842.70/125,776.56 = 27,688.76/x
  3. Step 3: Cross multiply
    83,842.70x = 125,776.56 × 27,688.76
  4. Step 4: Simplify right side
    83,842.70x = 3,482,596,983.47
  5. Step 5: Solve for x
    x = 3,482,596,983.47/83,842.70
  6. Step 6: Final answer
    x = 41,537.27

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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.