Home / 125,772.24-173,578.41-72,064.38

Finding the Fourth Proportional to 125,772.24, 173,578.41 and 72,064.38

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Solution

The fourth proportional to 125,772.24, 173,578.41 and 72,064.38 is: 99,456.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,772.24 : 173,578.41 = 72,064.38 : x
  2. Step 2: Convert to fraction form
    125,772.24/173,578.41 = 72,064.38/x
  3. Step 3: Cross multiply
    125,772.24x = 173,578.41 × 72,064.38
  4. Step 4: Simplify right side
    125,772.24x = 12,508,820,498.04
  5. Step 5: Solve for x
    x = 12,508,820,498.04/125,772.24
  6. Step 6: Final answer
    x = 99,456.13

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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.