Home / 125,737.45-173,519.40-72,022.44

Finding the Fourth Proportional to 125,737.45, 173,519.40 and 72,022.44

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Solution

The fourth proportional to 125,737.45, 173,519.40 and 72,022.44 is: 99,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,737.45 : 173,519.40 = 72,022.44 : x
  2. Step 2: Convert to fraction form
    125,737.45/173,519.40 = 72,022.44/x
  3. Step 3: Cross multiply
    125,737.45x = 173,519.40 × 72,022.44
  4. Step 4: Simplify right side
    125,737.45x = 12,497,290,575.34
  5. Step 5: Solve for x
    x = 12,497,290,575.34/125,737.45
  6. Step 6: Final answer
    x = 99,391.95

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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.