Home / 118,656.38-163,746.07-64,944.86

Finding the Fourth Proportional to 118,656.38, 163,746.07 and 64,944.86

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Solution

The fourth proportional to 118,656.38, 163,746.07 and 64,944.86 is: 89,624.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,656.38 : 163,746.07 = 64,944.86 : x
  2. Step 2: Convert to fraction form
    118,656.38/163,746.07 = 64,944.86/x
  3. Step 3: Cross multiply
    118,656.38x = 163,746.07 × 64,944.86
  4. Step 4: Simplify right side
    118,656.38x = 10,634,464,610.61
  5. Step 5: Solve for x
    x = 10,634,464,610.61/118,656.38
  6. Step 6: Final answer
    x = 89,624.04

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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.