Home / 84,620.20-116,788.74-54,006.50

Finding the Fourth Proportional to 84,620.20, 116,788.74 and 54,006.50

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Solution

The fourth proportional to 84,620.20, 116,788.74 and 54,006.50 is: 74,537.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,620.20 : 116,788.74 = 54,006.50 : x
  2. Step 2: Convert to fraction form
    84,620.20/116,788.74 = 54,006.50/x
  3. Step 3: Cross multiply
    84,620.20x = 116,788.74 × 54,006.50
  4. Step 4: Simplify right side
    84,620.20x = 6,307,350,816.78
  5. Step 5: Solve for x
    x = 6,307,350,816.78/84,620.20
  6. Step 6: Final answer
    x = 74,537.18

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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.