Home / 124,761.66-172,202.01-71,078.58

Finding the Fourth Proportional to 124,761.66, 172,202.01 and 71,078.58

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Solution

The fourth proportional to 124,761.66, 172,202.01 and 71,078.58 is: 98,106.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,761.66 : 172,202.01 = 71,078.58 : x
  2. Step 2: Convert to fraction form
    124,761.66/172,202.01 = 71,078.58/x
  3. Step 3: Cross multiply
    124,761.66x = 172,202.01 × 71,078.58
  4. Step 4: Simplify right side
    124,761.66x = 12,239,874,343.95
  5. Step 5: Solve for x
    x = 12,239,874,343.95/124,761.66
  6. Step 6: Final answer
    x = 98,106.06

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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.