Home / 84,590.64-126,803.61-47,116.26

Finding the Fourth Proportional to 84,590.64, 126,803.61 and 47,116.26

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Solution

The fourth proportional to 84,590.64, 126,803.61 and 47,116.26 is: 70,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,590.64 : 126,803.61 = 47,116.26 : x
  2. Step 2: Convert to fraction form
    84,590.64/126,803.61 = 47,116.26/x
  3. Step 3: Cross multiply
    84,590.64x = 126,803.61 × 47,116.26
  4. Step 4: Simplify right side
    84,590.64x = 5,974,511,857.70
  5. Step 5: Solve for x
    x = 5,974,511,857.70/84,590.64
  6. Step 6: Final answer
    x = 70,628.52

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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.