Home / 124,474.20-171,638.52-84,117.96

Finding the Fourth Proportional to 124,474.20, 171,638.52 and 84,117.96

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Solution

The fourth proportional to 124,474.20, 171,638.52 and 84,117.96 is: 115,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,474.20 : 171,638.52 = 84,117.96 : x
  2. Step 2: Convert to fraction form
    124,474.20/171,638.52 = 84,117.96/x
  3. Step 3: Cross multiply
    124,474.20x = 171,638.52 × 84,117.96
  4. Step 4: Simplify right side
    124,474.20x = 14,437,882,159.82
  5. Step 5: Solve for x
    x = 14,437,882,159.82/124,474.20
  6. Step 6: Final answer
    x = 115,990.96

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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.