Home / 118,686.09-178,057.62-48,565.47

Finding the Fourth Proportional to 118,686.09, 178,057.62 and 48,565.47

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Solution

The fourth proportional to 118,686.09, 178,057.62 and 48,565.47 is: 72,859.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,686.09 : 178,057.62 = 48,565.47 : x
  2. Step 2: Convert to fraction form
    118,686.09/178,057.62 = 48,565.47/x
  3. Step 3: Cross multiply
    118,686.09x = 178,057.62 × 48,565.47
  4. Step 4: Simplify right side
    118,686.09x = 8,647,452,002.38
  5. Step 5: Solve for x
    x = 8,647,452,002.38/118,686.09
  6. Step 6: Final answer
    x = 72,859.86

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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.