Home / 125,633.11-173,385.89-71,925.79

Finding the Fourth Proportional to 125,633.11, 173,385.89 and 71,925.79

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Solution

The fourth proportional to 125,633.11, 173,385.89 and 71,925.79 is: 99,264.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,633.11 : 173,385.89 = 71,925.79 : x
  2. Step 2: Convert to fraction form
    125,633.11/173,385.89 = 71,925.79/x
  3. Step 3: Cross multiply
    125,633.11x = 173,385.89 × 71,925.79
  4. Step 4: Simplify right side
    125,633.11x = 12,470,917,113.10
  5. Step 5: Solve for x
    x = 12,470,917,113.10/125,633.11
  6. Step 6: Final answer
    x = 99,264.57

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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.