Home / 84,919.91-127,414.44-42,812.10

Finding the Fourth Proportional to 84,919.91, 127,414.44 and 42,812.10

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Solution

The fourth proportional to 84,919.91, 127,414.44 and 42,812.10 is: 64,235.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,919.91 : 127,414.44 = 42,812.10 : x
  2. Step 2: Convert to fraction form
    84,919.91/127,414.44 = 42,812.10/x
  3. Step 3: Cross multiply
    84,919.91x = 127,414.44 × 42,812.10
  4. Step 4: Simplify right side
    84,919.91x = 5,454,879,746.72
  5. Step 5: Solve for x
    x = 5,454,879,746.72/84,919.91
  6. Step 6: Final answer
    x = 64,235.58

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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.