Home / 113,991.15-170,990.19-39,110.24

Finding the Fourth Proportional to 113,991.15, 170,990.19 and 39,110.24

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Solution

The fourth proportional to 113,991.15, 170,990.19 and 39,110.24 is: 58,666.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,991.15 : 170,990.19 = 39,110.24 : x
  2. Step 2: Convert to fraction form
    113,991.15/170,990.19 = 39,110.24/x
  3. Step 3: Cross multiply
    113,991.15x = 170,990.19 × 39,110.24
  4. Step 4: Simplify right side
    113,991.15x = 6,687,467,368.55
  5. Step 5: Solve for x
    x = 6,687,467,368.55/113,991.15
  6. Step 6: Final answer
    x = 58,666.55

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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.