Home / 125,928.76-173,742.58-71,472.04

Finding the Fourth Proportional to 125,928.76, 173,742.58 and 71,472.04

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Solution

The fourth proportional to 125,928.76, 173,742.58 and 71,472.04 is: 98,609.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,928.76 : 173,742.58 = 71,472.04 : x
  2. Step 2: Convert to fraction form
    125,928.76/173,742.58 = 71,472.04/x
  3. Step 3: Cross multiply
    125,928.76x = 173,742.58 × 71,472.04
  4. Step 4: Simplify right side
    125,928.76x = 12,417,736,627.46
  5. Step 5: Solve for x
    x = 12,417,736,627.46/125,928.76
  6. Step 6: Final answer
    x = 98,609.22

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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.