Home / 123,527.44-170,471.28-69,811.36

Finding the Fourth Proportional to 123,527.44, 170,471.28 and 69,811.36

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Solution

The fourth proportional to 123,527.44, 170,471.28 and 69,811.36 is: 96,341.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,527.44 : 170,471.28 = 69,811.36 : x
  2. Step 2: Convert to fraction form
    123,527.44/170,471.28 = 69,811.36/x
  3. Step 3: Cross multiply
    123,527.44x = 170,471.28 × 69,811.36
  4. Step 4: Simplify right side
    123,527.44x = 11,900,831,897.74
  5. Step 5: Solve for x
    x = 11,900,831,897.74/123,527.44
  6. Step 6: Final answer
    x = 96,341.61

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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.