Home / 77,034.59-106,305.75-43,043.36

Finding the Fourth Proportional to 77,034.59, 106,305.75 and 43,043.36

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Solution

The fourth proportional to 77,034.59, 106,305.75 and 43,043.36 is: 59,398.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,034.59 : 106,305.75 = 43,043.36 : x
  2. Step 2: Convert to fraction form
    77,034.59/106,305.75 = 43,043.36/x
  3. Step 3: Cross multiply
    77,034.59x = 106,305.75 × 43,043.36
  4. Step 4: Simplify right side
    77,034.59x = 4,575,756,135.79
  5. Step 5: Solve for x
    x = 4,575,756,135.79/77,034.59
  6. Step 6: Final answer
    x = 59,398.72

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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.