Home / 87,592.77-120,878.28-50,806.13

Finding the Fourth Proportional to 87,592.77, 120,878.28 and 50,806.13

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Solution

The fourth proportional to 87,592.77, 120,878.28 and 50,806.13 is: 70,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,592.77 : 120,878.28 = 50,806.13 : x
  2. Step 2: Convert to fraction form
    87,592.77/120,878.28 = 50,806.13/x
  3. Step 3: Cross multiply
    87,592.77x = 120,878.28 × 50,806.13
  4. Step 4: Simplify right side
    87,592.77x = 6,141,357,003.47
  5. Step 5: Solve for x
    x = 6,141,357,003.47/87,592.77
  6. Step 6: Final answer
    x = 70,112.60

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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.