Home / 108,817.83-163,281.42-38,702.61

Finding the Fourth Proportional to 108,817.83, 163,281.42 and 38,702.61

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Solution

The fourth proportional to 108,817.83, 163,281.42 and 38,702.61 is: 58,073.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,817.83 : 163,281.42 = 38,702.61 : x
  2. Step 2: Convert to fraction form
    108,817.83/163,281.42 = 38,702.61/x
  3. Step 3: Cross multiply
    108,817.83x = 163,281.42 × 38,702.61
  4. Step 4: Simplify right side
    108,817.83x = 6,319,417,118.51
  5. Step 5: Solve for x
    x = 6,319,417,118.51/108,817.83
  6. Step 6: Final answer
    x = 58,073.36

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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.