Home / 125,789.52-173,614.35-72,110.58

Finding the Fourth Proportional to 125,789.52, 173,614.35 and 72,110.58

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Solution

The fourth proportional to 125,789.52, 173,614.35 and 72,110.58 is: 99,526.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,789.52 : 173,614.35 = 72,110.58 : x
  2. Step 2: Convert to fraction form
    125,789.52/173,614.35 = 72,110.58/x
  3. Step 3: Cross multiply
    125,789.52x = 173,614.35 × 72,110.58
  4. Step 4: Simplify right side
    125,789.52x = 12,519,431,474.82
  5. Step 5: Solve for x
    x = 12,519,431,474.82/125,789.52
  6. Step 6: Final answer
    x = 99,526.82

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1.5x scale

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.