Home / 108,686.46-163,030.24-49,480.72

Finding the Fourth Proportional to 108,686.46, 163,030.24 and 49,480.72

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Solution

The fourth proportional to 108,686.46, 163,030.24 and 49,480.72 is: 74,221.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,686.46 : 163,030.24 = 49,480.72 : x
  2. Step 2: Convert to fraction form
    108,686.46/163,030.24 = 49,480.72/x
  3. Step 3: Cross multiply
    108,686.46x = 163,030.24 × 49,480.72
  4. Step 4: Simplify right side
    108,686.46x = 8,066,853,656.97
  5. Step 5: Solve for x
    x = 8,066,853,656.97/108,686.46
  6. Step 6: Final answer
    x = 74,221.33

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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.