Home / 112,552.92-155,322-61,566.66

Finding the Fourth Proportional to 112,552.92, 155,322 and 61,566.66

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Solution

The fourth proportional to 112,552.92, 155,322 and 61,566.66 is: 84,961.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,552.92 : 155,322 = 61,566.66 : x
  2. Step 2: Convert to fraction form
    112,552.92/155,322 = 61,566.66/x
  3. Step 3: Cross multiply
    112,552.92x = 155,322 × 61,566.66
  4. Step 4: Simplify right side
    112,552.92x = 9,562,656,764.52
  5. Step 5: Solve for x
    x = 9,562,656,764.52/112,552.92
  6. Step 6: Final answer
    x = 84,961.43

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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.