Home / 84,396.04-126,555.08-31,074.62

Finding the Fourth Proportional to 84,396.04, 126,555.08 and 31,074.62

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Solution

The fourth proportional to 84,396.04, 126,555.08 and 31,074.62 is: 46,597.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,396.04 : 126,555.08 = 31,074.62 : x
  2. Step 2: Convert to fraction form
    84,396.04/126,555.08 = 31,074.62/x
  3. Step 3: Cross multiply
    84,396.04x = 126,555.08 × 31,074.62
  4. Step 4: Simplify right side
    84,396.04x = 3,932,650,231.92
  5. Step 5: Solve for x
    x = 3,932,650,231.92/84,396.04
  6. Step 6: Final answer
    x = 46,597.57

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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.