Home / 83,971.80-115,764.96-60,056.76

Finding the Fourth Proportional to 83,971.80, 115,764.96 and 60,056.76

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Solution

The fourth proportional to 83,971.80, 115,764.96 and 60,056.76 is: 82,795.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,971.80 : 115,764.96 = 60,056.76 : x
  2. Step 2: Convert to fraction form
    83,971.80/115,764.96 = 60,056.76/x
  3. Step 3: Cross multiply
    83,971.80x = 115,764.96 × 60,056.76
  4. Step 4: Simplify right side
    83,971.80x = 6,952,468,419.13
  5. Step 5: Solve for x
    x = 6,952,468,419.13/83,971.80
  6. Step 6: Final answer
    x = 82,795.28

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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.