Home / 108,740.95-163,111.11-29,855.25

Finding the Fourth Proportional to 108,740.95, 163,111.11 and 29,855.25

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Solution

The fourth proportional to 108,740.95, 163,111.11 and 29,855.25 is: 44,782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,740.95 : 163,111.11 = 29,855.25 : x
  2. Step 2: Convert to fraction form
    108,740.95/163,111.11 = 29,855.25/x
  3. Step 3: Cross multiply
    108,740.95x = 163,111.11 × 29,855.25
  4. Step 4: Simplify right side
    108,740.95x = 4,869,722,966.83
  5. Step 5: Solve for x
    x = 4,869,722,966.83/108,740.95
  6. Step 6: Final answer
    x = 44,782.79

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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.