Home / 84,393.12-126,590.22-25,223.16

Finding the Fourth Proportional to 84,393.12, 126,590.22 and 25,223.16

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Solution

The fourth proportional to 84,393.12, 126,590.22 and 25,223.16 is: 37,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,393.12 : 126,590.22 = 25,223.16 : x
  2. Step 2: Convert to fraction form
    84,393.12/126,590.22 = 25,223.16/x
  3. Step 3: Cross multiply
    84,393.12x = 126,590.22 × 25,223.16
  4. Step 4: Simplify right side
    84,393.12x = 3,193,005,373.50
  5. Step 5: Solve for x
    x = 3,193,005,373.50/84,393.12
  6. Step 6: Final answer
    x = 37,834.90

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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.