Home / 112,990.35-155,926.26-62,003.94

Finding the Fourth Proportional to 112,990.35, 155,926.26 and 62,003.94

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Solution

The fourth proportional to 112,990.35, 155,926.26 and 62,003.94 is: 85,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,990.35 : 155,926.26 = 62,003.94 : x
  2. Step 2: Convert to fraction form
    112,990.35/155,926.26 = 62,003.94/x
  3. Step 3: Cross multiply
    112,990.35x = 155,926.26 × 62,003.94
  4. Step 4: Simplify right side
    112,990.35x = 9,668,041,884.74
  5. Step 5: Solve for x
    x = 9,668,041,884.74/112,990.35
  6. Step 6: Final answer
    x = 85,565.20

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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.