Home / 86,527.86-129,902.48-73,463.23

Finding the Fourth Proportional to 86,527.86, 129,902.48 and 73,463.23

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Solution

The fourth proportional to 86,527.86, 129,902.48 and 73,463.23 is: 110,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,527.86 : 129,902.48 = 73,463.23 : x
  2. Step 2: Convert to fraction form
    86,527.86/129,902.48 = 73,463.23/x
  3. Step 3: Cross multiply
    86,527.86x = 129,902.48 × 73,463.23
  4. Step 4: Simplify right side
    86,527.86x = 9,543,055,765.81
  5. Step 5: Solve for x
    x = 9,543,055,765.81/86,527.86
  6. Step 6: Final answer
    x = 110,288.82

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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.