Home / 88,403.52-121,999.44-48,119.88

Finding the Fourth Proportional to 88,403.52, 121,999.44 and 48,119.88

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Solution

The fourth proportional to 88,403.52, 121,999.44 and 48,119.88 is: 66,406.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,403.52 : 121,999.44 = 48,119.88 : x
  2. Step 2: Convert to fraction form
    88,403.52/121,999.44 = 48,119.88/x
  3. Step 3: Cross multiply
    88,403.52x = 121,999.44 × 48,119.88
  4. Step 4: Simplify right side
    88,403.52x = 5,870,598,412.87
  5. Step 5: Solve for x
    x = 5,870,598,412.87/88,403.52
  6. Step 6: Final answer
    x = 66,406.84

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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.