Home / 77,566.26-116,349.97-42,486.78

Finding the Fourth Proportional to 77,566.26, 116,349.97 and 42,486.78

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Solution

The fourth proportional to 77,566.26, 116,349.97 and 42,486.78 is: 63,730.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,566.26 : 116,349.97 = 42,486.78 : x
  2. Step 2: Convert to fraction form
    77,566.26/116,349.97 = 42,486.78/x
  3. Step 3: Cross multiply
    77,566.26x = 116,349.97 × 42,486.78
  4. Step 4: Simplify right side
    77,566.26x = 4,943,335,578.40
  5. Step 5: Solve for x
    x = 4,943,335,578.40/77,566.26
  6. Step 6: Final answer
    x = 63,730.49

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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.