Home / 115,500.81-159,382.11-67,094.73

Finding the Fourth Proportional to 115,500.81, 159,382.11 and 67,094.73

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Solution

The fourth proportional to 115,500.81, 159,382.11 and 67,094.73 is: 92,585.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,500.81 : 159,382.11 = 67,094.73 : x
  2. Step 2: Convert to fraction form
    115,500.81/159,382.11 = 67,094.73/x
  3. Step 3: Cross multiply
    115,500.81x = 159,382.11 × 67,094.73
  4. Step 4: Simplify right side
    115,500.81x = 10,693,699,888.89
  5. Step 5: Solve for x
    x = 10,693,699,888.89/115,500.81
  6. Step 6: Final answer
    x = 92,585.49

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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.