Home / 74,442.32-111,689.40-35,029.52

Finding the Fourth Proportional to 74,442.32, 111,689.40 and 35,029.52

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Solution

The fourth proportional to 74,442.32, 111,689.40 and 35,029.52 is: 52,556.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,442.32 : 111,689.40 = 35,029.52 : x
  2. Step 2: Convert to fraction form
    74,442.32/111,689.40 = 35,029.52/x
  3. Step 3: Cross multiply
    74,442.32x = 111,689.40 × 35,029.52
  4. Step 4: Simplify right side
    74,442.32x = 3,912,426,071.09
  5. Step 5: Solve for x
    x = 3,912,426,071.09/74,442.32
  6. Step 6: Final answer
    x = 52,556.48

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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.