Home / 77,098.86-115,569.51-43,748.48

Finding the Fourth Proportional to 77,098.86, 115,569.51 and 43,748.48

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Solution

The fourth proportional to 77,098.86, 115,569.51 and 43,748.48 is: 65,578.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,098.86 : 115,569.51 = 43,748.48 : x
  2. Step 2: Convert to fraction form
    77,098.86/115,569.51 = 43,748.48/x
  3. Step 3: Cross multiply
    77,098.86x = 115,569.51 × 43,748.48
  4. Step 4: Simplify right side
    77,098.86x = 5,055,989,819.00
  5. Step 5: Solve for x
    x = 5,055,989,819.00/77,098.86
  6. Step 6: Final answer
    x = 65,578.01

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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.