Home / 112,488.60-155,229.50-61,500.44

Finding the Fourth Proportional to 112,488.60, 155,229.50 and 61,500.44

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Solution

The fourth proportional to 112,488.60, 155,229.50 and 61,500.44 is: 84,868.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,488.60 : 155,229.50 = 61,500.44 : x
  2. Step 2: Convert to fraction form
    112,488.60/155,229.50 = 61,500.44/x
  3. Step 3: Cross multiply
    112,488.60x = 155,229.50 × 61,500.44
  4. Step 4: Simplify right side
    112,488.60x = 9,546,682,550.98
  5. Step 5: Solve for x
    x = 9,546,682,550.98/112,488.60
  6. Step 6: Final answer
    x = 84,868.00

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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.