Home / 72,078.47-108,120.66-24,726.13

Finding the Fourth Proportional to 72,078.47, 108,120.66 and 24,726.13

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Solution

The fourth proportional to 72,078.47, 108,120.66 and 24,726.13 is: 37,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,078.47 : 108,120.66 = 24,726.13 : x
  2. Step 2: Convert to fraction form
    72,078.47/108,120.66 = 24,726.13/x
  3. Step 3: Cross multiply
    72,078.47x = 108,120.66 × 24,726.13
  4. Step 4: Simplify right side
    72,078.47x = 2,673,404,830.61
  5. Step 5: Solve for x
    x = 2,673,404,830.61/72,078.47
  6. Step 6: Final answer
    x = 37,090.20

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1.5x scale

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.