Home / 112,575.76-155,359.42-62,274.76

Finding the Fourth Proportional to 112,575.76, 155,359.42 and 62,274.76

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Solution

The fourth proportional to 112,575.76, 155,359.42 and 62,274.76 is: 85,941.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,575.76 : 155,359.42 = 62,274.76 : x
  2. Step 2: Convert to fraction form
    112,575.76/155,359.42 = 62,274.76/x
  3. Step 3: Cross multiply
    112,575.76x = 155,359.42 × 62,274.76
  4. Step 4: Simplify right side
    112,575.76x = 9,674,970,594.24
  5. Step 5: Solve for x
    x = 9,674,970,594.24/112,575.76
  6. Step 6: Final answer
    x = 85,941.86

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1.5x scale

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.