Home / 84,616.54-126,791.28-31,235.04

Finding the Fourth Proportional to 84,616.54, 126,791.28 and 31,235.04

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Solution

The fourth proportional to 84,616.54, 126,791.28 and 31,235.04 is: 46,803.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,616.54 : 126,791.28 = 31,235.04 : x
  2. Step 2: Convert to fraction form
    84,616.54/126,791.28 = 31,235.04/x
  3. Step 3: Cross multiply
    84,616.54x = 126,791.28 × 31,235.04
  4. Step 4: Simplify right side
    84,616.54x = 3,960,330,702.45
  5. Step 5: Solve for x
    x = 3,960,330,702.45/84,616.54
  6. Step 6: Final answer
    x = 46,803.27

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1.5x scale

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.