Home / 92,277.20-127,272.84-79,552.40

Finding the Fourth Proportional to 92,277.20, 127,272.84 and 79,552.40

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Solution

The fourth proportional to 92,277.20, 127,272.84 and 79,552.40 is: 109,722.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,277.20 : 127,272.84 = 79,552.40 : x
  2. Step 2: Convert to fraction form
    92,277.20/127,272.84 = 79,552.40/x
  3. Step 3: Cross multiply
    92,277.20x = 127,272.84 × 79,552.40
  4. Step 4: Simplify right side
    92,277.20x = 10,124,859,876.82
  5. Step 5: Solve for x
    x = 10,124,859,876.82/92,277.20
  6. Step 6: Final answer
    x = 109,722.23

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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.