Home / 83,630-125,488.02-55,569.44

Finding the Fourth Proportional to 83,630, 125,488.02 and 55,569.44

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Solution

The fourth proportional to 83,630, 125,488.02 and 55,569.44 is: 83,382.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,630 : 125,488.02 = 55,569.44 : x
  2. Step 2: Convert to fraction form
    83,630/125,488.02 = 55,569.44/x
  3. Step 3: Cross multiply
    83,630x = 125,488.02 × 55,569.44
  4. Step 4: Simplify right side
    83,630x = 6,973,298,998.11
  5. Step 5: Solve for x
    x = 6,973,298,998.11/83,630
  6. Step 6: Final answer
    x = 83,382.75

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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.