Home / 84,524.83-126,851.49-31,267.20

Finding the Fourth Proportional to 84,524.83, 126,851.49 and 31,267.20

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Solution

The fourth proportional to 84,524.83, 126,851.49 and 31,267.20 is: 46,924.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,524.83 : 126,851.49 = 31,267.20 : x
  2. Step 2: Convert to fraction form
    84,524.83/126,851.49 = 31,267.20/x
  3. Step 3: Cross multiply
    84,524.83x = 126,851.49 × 31,267.20
  4. Step 4: Simplify right side
    84,524.83x = 3,966,290,908.13
  5. Step 5: Solve for x
    x = 3,966,290,908.13/84,524.83
  6. Step 6: Final answer
    x = 46,924.57

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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.