Home / 88,849.88-122,601-57,061.84

Finding the Fourth Proportional to 88,849.88, 122,601 and 57,061.84

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Solution

The fourth proportional to 88,849.88, 122,601 and 57,061.84 is: 78,737.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,849.88 : 122,601 = 57,061.84 : x
  2. Step 2: Convert to fraction form
    88,849.88/122,601 = 57,061.84/x
  3. Step 3: Cross multiply
    88,849.88x = 122,601 × 57,061.84
  4. Step 4: Simplify right side
    88,849.88x = 6,995,838,645.84
  5. Step 5: Solve for x
    x = 6,995,838,645.84/88,849.88
  6. Step 6: Final answer
    x = 78,737.74

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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.