Home / 64,394.16-88,907.09-40,231.91

Finding the Fourth Proportional to 64,394.16, 88,907.09 and 40,231.91

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Solution

The fourth proportional to 64,394.16, 88,907.09 and 40,231.91 is: 55,546.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,394.16 : 88,907.09 = 40,231.91 : x
  2. Step 2: Convert to fraction form
    64,394.16/88,907.09 = 40,231.91/x
  3. Step 3: Cross multiply
    64,394.16x = 88,907.09 × 40,231.91
  4. Step 4: Simplify right side
    64,394.16x = 3,576,901,397.55
  5. Step 5: Solve for x
    x = 3,576,901,397.55/64,394.16
  6. Step 6: Final answer
    x = 55,546.98

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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.