Home / 77,147.49-106,458.51-43,150.08

Finding the Fourth Proportional to 77,147.49, 106,458.51 and 43,150.08

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Solution

The fourth proportional to 77,147.49, 106,458.51 and 43,150.08 is: 59,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,147.49 : 106,458.51 = 43,150.08 : x
  2. Step 2: Convert to fraction form
    77,147.49/106,458.51 = 43,150.08/x
  3. Step 3: Cross multiply
    77,147.49x = 106,458.51 × 43,150.08
  4. Step 4: Simplify right side
    77,147.49x = 4,593,693,223.18
  5. Step 5: Solve for x
    x = 4,593,693,223.18/77,147.49
  6. Step 6: Final answer
    x = 59,544.30

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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.