Home / 92,738.77-127,839.96-72,560.61

Finding the Fourth Proportional to 92,738.77, 127,839.96 and 72,560.61

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Solution

The fourth proportional to 92,738.77, 127,839.96 and 72,560.61 is: 100,024.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,738.77 : 127,839.96 = 72,560.61 : x
  2. Step 2: Convert to fraction form
    92,738.77/127,839.96 = 72,560.61/x
  3. Step 3: Cross multiply
    92,738.77x = 127,839.96 × 72,560.61
  4. Step 4: Simplify right side
    92,738.77x = 9,276,145,479.98
  5. Step 5: Solve for x
    x = 9,276,145,479.98/92,738.77
  6. Step 6: Final answer
    x = 100,024.46

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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.