Home / 89,868.60-134,738.10-50,437.80

Finding the Fourth Proportional to 89,868.60, 134,738.10 and 50,437.80

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Solution

The fourth proportional to 89,868.60, 134,738.10 and 50,437.80 is: 75,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,868.60 : 134,738.10 = 50,437.80 : x
  2. Step 2: Convert to fraction form
    89,868.60/134,738.10 = 50,437.80/x
  3. Step 3: Cross multiply
    89,868.60x = 134,738.10 × 50,437.80
  4. Step 4: Simplify right side
    89,868.60x = 6,795,893,340.18
  5. Step 5: Solve for x
    x = 6,795,893,340.18/89,868.60
  6. Step 6: Final answer
    x = 75,620.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.