Home / 125,834.73-173,659.40-72,123.22

Finding the Fourth Proportional to 125,834.73, 173,659.40 and 72,123.22

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Solution

The fourth proportional to 125,834.73, 173,659.40 and 72,123.22 is: 99,534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,834.73 : 173,659.40 = 72,123.22 : x
  2. Step 2: Convert to fraction form
    125,834.73/173,659.40 = 72,123.22/x
  3. Step 3: Cross multiply
    125,834.73x = 173,659.40 × 72,123.22
  4. Step 4: Simplify right side
    125,834.73x = 12,524,875,111.27
  5. Step 5: Solve for x
    x = 12,524,875,111.27/125,834.73
  6. Step 6: Final answer
    x = 99,534.33

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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.