Home / 108,860.52-163,301.09-42,305.79

Finding the Fourth Proportional to 108,860.52, 163,301.09 and 42,305.79

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Solution

The fourth proportional to 108,860.52, 163,301.09 and 42,305.79 is: 63,462.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,860.52 : 163,301.09 = 42,305.79 : x
  2. Step 2: Convert to fraction form
    108,860.52/163,301.09 = 42,305.79/x
  3. Step 3: Cross multiply
    108,860.52x = 163,301.09 × 42,305.79
  4. Step 4: Simplify right side
    108,860.52x = 6,908,581,620.31
  5. Step 5: Solve for x
    x = 6,908,581,620.31/108,860.52
  6. Step 6: Final answer
    x = 63,462.69

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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.