Home / 66,925.78-100,338.73-40,265.52

Finding the Fourth Proportional to 66,925.78, 100,338.73 and 40,265.52

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Solution

The fourth proportional to 66,925.78, 100,338.73 and 40,265.52 is: 60,368.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,925.78 : 100,338.73 = 40,265.52 : x
  2. Step 2: Convert to fraction form
    66,925.78/100,338.73 = 40,265.52/x
  3. Step 3: Cross multiply
    66,925.78x = 100,338.73 × 40,265.52
  4. Step 4: Simplify right side
    66,925.78x = 4,040,191,162.07
  5. Step 5: Solve for x
    x = 4,040,191,162.07/66,925.78
  6. Step 6: Final answer
    x = 60,368.24

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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.