Home / 124,585.48-171,868.20-81,546.04

Finding the Fourth Proportional to 124,585.48, 171,868.20 and 81,546.04

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Solution

The fourth proportional to 124,585.48, 171,868.20 and 81,546.04 is: 112,494.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,585.48 : 171,868.20 = 81,546.04 : x
  2. Step 2: Convert to fraction form
    124,585.48/171,868.20 = 81,546.04/x
  3. Step 3: Cross multiply
    124,585.48x = 171,868.20 × 81,546.04
  4. Step 4: Simplify right side
    124,585.48x = 14,015,171,111.93
  5. Step 5: Solve for x
    x = 14,015,171,111.93/124,585.48
  6. Step 6: Final answer
    x = 112,494.42

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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.