Home / 112,781.04-169,152.65-52,815.79

Finding the Fourth Proportional to 112,781.04, 169,152.65 and 52,815.79

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Solution

The fourth proportional to 112,781.04, 169,152.65 and 52,815.79 is: 79,214.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,781.04 : 169,152.65 = 52,815.79 : x
  2. Step 2: Convert to fraction form
    112,781.04/169,152.65 = 52,815.79/x
  3. Step 3: Cross multiply
    112,781.04x = 169,152.65 × 52,815.79
  4. Step 4: Simplify right side
    112,781.04x = 8,933,930,840.34
  5. Step 5: Solve for x
    x = 8,933,930,840.34/112,781.04
  6. Step 6: Final answer
    x = 79,214.83

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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.