Home / 108,103.65-149,188.05-59,712.33

Finding the Fourth Proportional to 108,103.65, 149,188.05 and 59,712.33

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Solution

The fourth proportional to 108,103.65, 149,188.05 and 59,712.33 is: 82,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,103.65 : 149,188.05 = 59,712.33 : x
  2. Step 2: Convert to fraction form
    108,103.65/149,188.05 = 59,712.33/x
  3. Step 3: Cross multiply
    108,103.65x = 149,188.05 × 59,712.33
  4. Step 4: Simplify right side
    108,103.65x = 8,908,366,073.66
  5. Step 5: Solve for x
    x = 8,908,366,073.66/108,103.65
  6. Step 6: Final answer
    x = 82,405.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.