Home / 112,343.68-155,035.20-62,043.52

Finding the Fourth Proportional to 112,343.68, 155,035.20 and 62,043.52

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Solution

The fourth proportional to 112,343.68, 155,035.20 and 62,043.52 is: 85,620.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,343.68 : 155,035.20 = 62,043.52 : x
  2. Step 2: Convert to fraction form
    112,343.68/155,035.20 = 62,043.52/x
  3. Step 3: Cross multiply
    112,343.68x = 155,035.20 × 62,043.52
  4. Step 4: Simplify right side
    112,343.68x = 9,618,929,531.90
  5. Step 5: Solve for x
    x = 9,618,929,531.90/112,343.68
  6. Step 6: Final answer
    x = 85,620.57

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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.