Home / 108,849.14-163,242.78-42,275.06

Finding the Fourth Proportional to 108,849.14, 163,242.78 and 42,275.06

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Solution

The fourth proportional to 108,849.14, 163,242.78 and 42,275.06 is: 63,400.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,849.14 : 163,242.78 = 42,275.06 : x
  2. Step 2: Convert to fraction form
    108,849.14/163,242.78 = 42,275.06/x
  3. Step 3: Cross multiply
    108,849.14x = 163,242.78 × 42,275.06
  4. Step 4: Simplify right side
    108,849.14x = 6,901,098,319.07
  5. Step 5: Solve for x
    x = 6,901,098,319.07/108,849.14
  6. Step 6: Final answer
    x = 63,400.58

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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.