Home / 112,548.96-168,585.24-72,988.56

Finding the Fourth Proportional to 112,548.96, 168,585.24 and 72,988.56

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Solution

The fourth proportional to 112,548.96, 168,585.24 and 72,988.56 is: 109,328.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,548.96 : 168,585.24 = 72,988.56 : x
  2. Step 2: Convert to fraction form
    112,548.96/168,585.24 = 72,988.56/x
  3. Step 3: Cross multiply
    112,548.96x = 168,585.24 × 72,988.56
  4. Step 4: Simplify right side
    112,548.96x = 12,304,793,904.85
  5. Step 5: Solve for x
    x = 12,304,793,904.85/112,548.96
  6. Step 6: Final answer
    x = 109,328.37

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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.