Home / 74,968.92-112,397.83-45,379.76

Finding the Fourth Proportional to 74,968.92, 112,397.83 and 45,379.76

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Solution

The fourth proportional to 74,968.92, 112,397.83 and 45,379.76 is: 68,036.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,968.92 : 112,397.83 = 45,379.76 : x
  2. Step 2: Convert to fraction form
    74,968.92/112,397.83 = 45,379.76/x
  3. Step 3: Cross multiply
    74,968.92x = 112,397.83 × 45,379.76
  4. Step 4: Simplify right side
    74,968.92x = 5,100,585,874.48
  5. Step 5: Solve for x
    x = 5,100,585,874.48/74,968.92
  6. Step 6: Final answer
    x = 68,036.01

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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.