Home / 66,272.99-91,330.75-47,377.31

Finding the Fourth Proportional to 66,272.99, 91,330.75 and 47,377.31

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Solution

The fourth proportional to 66,272.99, 91,330.75 and 47,377.31 is: 65,290.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,272.99 : 91,330.75 = 47,377.31 : x
  2. Step 2: Convert to fraction form
    66,272.99/91,330.75 = 47,377.31/x
  3. Step 3: Cross multiply
    66,272.99x = 91,330.75 × 47,377.31
  4. Step 4: Simplify right side
    66,272.99x = 4,327,005,255.28
  5. Step 5: Solve for x
    x = 4,327,005,255.28/66,272.99
  6. Step 6: Final answer
    x = 65,290.63

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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.