Home / 108,802.22-163,104.90-38,665.12

Finding the Fourth Proportional to 108,802.22, 163,104.90 and 38,665.12

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Solution

The fourth proportional to 108,802.22, 163,104.90 and 38,665.12 is: 57,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,802.22 : 163,104.90 = 38,665.12 : x
  2. Step 2: Convert to fraction form
    108,802.22/163,104.90 = 38,665.12/x
  3. Step 3: Cross multiply
    108,802.22x = 163,104.90 × 38,665.12
  4. Step 4: Simplify right side
    108,802.22x = 6,306,470,531.09
  5. Step 5: Solve for x
    x = 6,306,470,531.09/108,802.22
  6. Step 6: Final answer
    x = 57,962.70

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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.