Home / 73,478.16-110,182.68-51,316.56

Finding the Fourth Proportional to 73,478.16, 110,182.68 and 51,316.56

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Solution

The fourth proportional to 73,478.16, 110,182.68 and 51,316.56 is: 76,950.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,478.16 : 110,182.68 = 51,316.56 : x
  2. Step 2: Convert to fraction form
    73,478.16/110,182.68 = 51,316.56/x
  3. Step 3: Cross multiply
    73,478.16x = 110,182.68 × 51,316.56
  4. Step 4: Simplify right side
    73,478.16x = 5,654,196,109.18
  5. Step 5: Solve for x
    x = 5,654,196,109.18/73,478.16
  6. Step 6: Final answer
    x = 76,950.70

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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.