Home / 77,009.88-115,551.54-41,948.76

Finding the Fourth Proportional to 77,009.88, 115,551.54 and 41,948.76

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Solution

The fourth proportional to 77,009.88, 115,551.54 and 41,948.76 is: 62,943.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,009.88 : 115,551.54 = 41,948.76 : x
  2. Step 2: Convert to fraction form
    77,009.88/115,551.54 = 41,948.76/x
  3. Step 3: Cross multiply
    77,009.88x = 115,551.54 × 41,948.76
  4. Step 4: Simplify right side
    77,009.88x = 4,847,243,819.09
  5. Step 5: Solve for x
    x = 4,847,243,819.09/77,009.88
  6. Step 6: Final answer
    x = 62,943.14

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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.