Home / 66,139.90-91,273.75-35,925.82

Finding the Fourth Proportional to 66,139.90, 91,273.75 and 35,925.82

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Solution

The fourth proportional to 66,139.90, 91,273.75 and 35,925.82 is: 49,578.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,139.90 : 91,273.75 = 35,925.82 : x
  2. Step 2: Convert to fraction form
    66,139.90/91,273.75 = 35,925.82/x
  3. Step 3: Cross multiply
    66,139.90x = 91,273.75 × 35,925.82
  4. Step 4: Simplify right side
    66,139.90x = 3,279,083,995.23
  5. Step 5: Solve for x
    x = 3,279,083,995.23/66,139.90
  6. Step 6: Final answer
    x = 49,578.00

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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.