Home / 87,834.38-121,210.62-47,547.11

Finding the Fourth Proportional to 87,834.38, 121,210.62 and 47,547.11

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Solution

The fourth proportional to 87,834.38, 121,210.62 and 47,547.11 is: 65,614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,834.38 : 121,210.62 = 47,547.11 : x
  2. Step 2: Convert to fraction form
    87,834.38/121,210.62 = 47,547.11/x
  3. Step 3: Cross multiply
    87,834.38x = 121,210.62 × 47,547.11
  4. Step 4: Simplify right side
    87,834.38x = 5,763,214,682.31
  5. Step 5: Solve for x
    x = 5,763,214,682.31/87,834.38
  6. Step 6: Final answer
    x = 65,614.57

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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.