Home / 108,850-163,225.74-38,731.16

Finding the Fourth Proportional to 108,850, 163,225.74 and 38,731.16

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Solution

The fourth proportional to 108,850, 163,225.74 and 38,731.16 is: 58,079.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,850 : 163,225.74 = 38,731.16 : x
  2. Step 2: Convert to fraction form
    108,850/163,225.74 = 38,731.16/x
  3. Step 3: Cross multiply
    108,850x = 163,225.74 × 38,731.16
  4. Step 4: Simplify right side
    108,850x = 6,321,922,252.06
  5. Step 5: Solve for x
    x = 6,321,922,252.06/108,850
  6. Step 6: Final answer
    x = 58,079.21

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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.