Home / 112,793.76-169,214.40-42,671.52

Finding the Fourth Proportional to 112,793.76, 169,214.40 and 42,671.52

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Solution

The fourth proportional to 112,793.76, 169,214.40 and 42,671.52 is: 64,016.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,793.76 : 169,214.40 = 42,671.52 : x
  2. Step 2: Convert to fraction form
    112,793.76/169,214.40 = 42,671.52/x
  3. Step 3: Cross multiply
    112,793.76x = 169,214.40 × 42,671.52
  4. Step 4: Simplify right side
    112,793.76x = 7,220,635,653.89
  5. Step 5: Solve for x
    x = 7,220,635,653.89/112,793.76
  6. Step 6: Final answer
    x = 64,016.27

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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.