Home / 112,642.74-155,446.57-60,959.73

Finding the Fourth Proportional to 112,642.74, 155,446.57 and 60,959.73

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Solution

The fourth proportional to 112,642.74, 155,446.57 and 60,959.73 is: 84,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,642.74 : 155,446.57 = 60,959.73 : x
  2. Step 2: Convert to fraction form
    112,642.74/155,446.57 = 60,959.73/x
  3. Step 3: Cross multiply
    112,642.74x = 155,446.57 × 60,959.73
  4. Step 4: Simplify right side
    112,642.74x = 9,475,980,936.63
  5. Step 5: Solve for x
    x = 9,475,980,936.63/112,642.74
  6. Step 6: Final answer
    x = 84,124.20

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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.