Home / 75,287.04-112,790.92-53,895.60

Finding the Fourth Proportional to 75,287.04, 112,790.92 and 53,895.60

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Solution

The fourth proportional to 75,287.04, 112,790.92 and 53,895.60 is: 80,743.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,287.04 : 112,790.92 = 53,895.60 : x
  2. Step 2: Convert to fraction form
    75,287.04/112,790.92 = 53,895.60/x
  3. Step 3: Cross multiply
    75,287.04x = 112,790.92 × 53,895.60
  4. Step 4: Simplify right side
    75,287.04x = 6,078,934,515.70
  5. Step 5: Solve for x
    x = 6,078,934,515.70/75,287.04
  6. Step 6: Final answer
    x = 80,743.43

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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.