Home / 81,015.73-111,741.33-59,498.83

Finding the Fourth Proportional to 81,015.73, 111,741.33 and 59,498.83

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Solution

The fourth proportional to 81,015.73, 111,741.33 and 59,498.83 is: 82,064.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,015.73 : 111,741.33 = 59,498.83 : x
  2. Step 2: Convert to fraction form
    81,015.73/111,741.33 = 59,498.83/x
  3. Step 3: Cross multiply
    81,015.73x = 111,741.33 × 59,498.83
  4. Step 4: Simplify right side
    81,015.73x = 6,648,478,397.64
  5. Step 5: Solve for x
    x = 6,648,478,397.64/81,015.73
  6. Step 6: Final answer
    x = 82,064.04

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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.