Home / 108,838.98-163,209.24-38,720.16

Finding the Fourth Proportional to 108,838.98, 163,209.24 and 38,720.16

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Solution

The fourth proportional to 108,838.98, 163,209.24 and 38,720.16 is: 58,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,838.98 : 163,209.24 = 38,720.16 : x
  2. Step 2: Convert to fraction form
    108,838.98/163,209.24 = 38,720.16/x
  3. Step 3: Cross multiply
    108,838.98x = 163,209.24 × 38,720.16
  4. Step 4: Simplify right side
    108,838.98x = 6,319,487,886.28
  5. Step 5: Solve for x
    x = 6,319,487,886.28/108,838.98
  6. Step 6: Final answer
    x = 58,062.73

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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.