Home / 84,917.87-127,376.80-38,116.07

Finding the Fourth Proportional to 84,917.87, 127,376.80 and 38,116.07

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Solution

The fourth proportional to 84,917.87, 127,376.80 and 38,116.07 is: 57,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,917.87 : 127,376.80 = 38,116.07 : x
  2. Step 2: Convert to fraction form
    84,917.87/127,376.80 = 38,116.07/x
  3. Step 3: Cross multiply
    84,917.87x = 127,376.80 × 38,116.07
  4. Step 4: Simplify right side
    84,917.87x = 4,855,103,025.18
  5. Step 5: Solve for x
    x = 4,855,103,025.18/84,917.87
  6. Step 6: Final answer
    x = 57,174.10

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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.