Home / 73,481.06-101,374.70-47,979.30

Finding the Fourth Proportional to 73,481.06, 101,374.70 and 47,979.30

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Solution

The fourth proportional to 73,481.06, 101,374.70 and 47,979.30 is: 66,192.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,481.06 : 101,374.70 = 47,979.30 : x
  2. Step 2: Convert to fraction form
    73,481.06/101,374.70 = 47,979.30/x
  3. Step 3: Cross multiply
    73,481.06x = 101,374.70 × 47,979.30
  4. Step 4: Simplify right side
    73,481.06x = 4,863,887,143.71
  5. Step 5: Solve for x
    x = 4,863,887,143.71/73,481.06
  6. Step 6: Final answer
    x = 66,192.39

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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.