Home / 112,733.76-169,124.40-42,611.52

Finding the Fourth Proportional to 112,733.76, 169,124.40 and 42,611.52

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Solution

The fourth proportional to 112,733.76, 169,124.40 and 42,611.52 is: 63,926.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,733.76 : 169,124.40 = 42,611.52 : x
  2. Step 2: Convert to fraction form
    112,733.76/169,124.40 = 42,611.52/x
  3. Step 3: Cross multiply
    112,733.76x = 169,124.40 × 42,611.52
  4. Step 4: Simplify right side
    112,733.76x = 7,206,647,753.09
  5. Step 5: Solve for x
    x = 7,206,647,753.09/112,733.76
  6. Step 6: Final answer
    x = 63,926.26

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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.