Home / 112,353.50-155,046.96-61,366.23

Finding the Fourth Proportional to 112,353.50, 155,046.96 and 61,366.23

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Solution

The fourth proportional to 112,353.50, 155,046.96 and 61,366.23 is: 84,684.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,353.50 : 155,046.96 = 61,366.23 : x
  2. Step 2: Convert to fraction form
    112,353.50/155,046.96 = 61,366.23/x
  3. Step 3: Cross multiply
    112,353.50x = 155,046.96 × 61,366.23
  4. Step 4: Simplify right side
    112,353.50x = 9,514,647,408.16
  5. Step 5: Solve for x
    x = 9,514,647,408.16/112,353.50
  6. Step 6: Final answer
    x = 84,684.92

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1.5x scale

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.