Home / 96,934.40-145,315.20-57,449.60

Finding the Fourth Proportional to 96,934.40, 145,315.20 and 57,449.60

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Solution

The fourth proportional to 96,934.40, 145,315.20 and 57,449.60 is: 86,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,934.40 : 145,315.20 = 57,449.60 : x
  2. Step 2: Convert to fraction form
    96,934.40/145,315.20 = 57,449.60/x
  3. Step 3: Cross multiply
    96,934.40x = 145,315.20 × 57,449.60
  4. Step 4: Simplify right side
    96,934.40x = 8,348,300,113.92
  5. Step 5: Solve for x
    x = 8,348,300,113.92/96,934.40
  6. Step 6: Final answer
    x = 86,123.19

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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.