Home / 113,987.12-170,930.42-60,666.23

Finding the Fourth Proportional to 113,987.12, 170,930.42 and 60,666.23

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Solution

The fourth proportional to 113,987.12, 170,930.42 and 60,666.23 is: 90,972.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,987.12 : 170,930.42 = 60,666.23 : x
  2. Step 2: Convert to fraction form
    113,987.12/170,930.42 = 60,666.23/x
  3. Step 3: Cross multiply
    113,987.12x = 170,930.42 × 60,666.23
  4. Step 4: Simplify right side
    113,987.12x = 10,369,703,015.73
  5. Step 5: Solve for x
    x = 10,369,703,015.73/113,987.12
  6. Step 6: Final answer
    x = 90,972.59

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1.5x scale

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.