Home / 88,316.32-121,879.72-50,597.86

Finding the Fourth Proportional to 88,316.32, 121,879.72 and 50,597.86

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Solution

The fourth proportional to 88,316.32, 121,879.72 and 50,597.86 is: 69,826.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,316.32 : 121,879.72 = 50,597.86 : x
  2. Step 2: Convert to fraction form
    88,316.32/121,879.72 = 50,597.86/x
  3. Step 3: Cross multiply
    88,316.32x = 121,879.72 × 50,597.86
  4. Step 4: Simplify right side
    88,316.32x = 6,166,853,009.40
  5. Step 5: Solve for x
    x = 6,166,853,009.40/88,316.32
  6. Step 6: Final answer
    x = 69,826.88

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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.