Home / 88,280.92-121,830.08-47,997.39

Finding the Fourth Proportional to 88,280.92, 121,830.08 and 47,997.39

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Solution

The fourth proportional to 88,280.92, 121,830.08 and 47,997.39 is: 66,237.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,280.92 : 121,830.08 = 47,997.39 : x
  2. Step 2: Convert to fraction form
    88,280.92/121,830.08 = 47,997.39/x
  3. Step 3: Cross multiply
    88,280.92x = 121,830.08 × 47,997.39
  4. Step 4: Simplify right side
    88,280.92x = 5,847,526,080.37
  5. Step 5: Solve for x
    x = 5,847,526,080.37/88,280.92
  6. Step 6: Final answer
    x = 66,237.71

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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.