Home / 118,659.24-178,054.92-48,587.76

Finding the Fourth Proportional to 118,659.24, 178,054.92 and 48,587.76

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Solution

The fourth proportional to 118,659.24, 178,054.92 and 48,587.76 is: 72,908.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,659.24 : 178,054.92 = 48,587.76 : x
  2. Step 2: Convert to fraction form
    118,659.24/178,054.92 = 48,587.76/x
  3. Step 3: Cross multiply
    118,659.24x = 178,054.92 × 48,587.76
  4. Step 4: Simplify right side
    118,659.24x = 8,651,289,719.78
  5. Step 5: Solve for x
    x = 8,651,289,719.78/118,659.24
  6. Step 6: Final answer
    x = 72,908.69

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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.