Home / 102,273.11-153,418.52-31,211.74

Finding the Fourth Proportional to 102,273.11, 153,418.52 and 31,211.74

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Solution

The fourth proportional to 102,273.11, 153,418.52 and 31,211.74 is: 46,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,273.11 : 153,418.52 = 31,211.74 : x
  2. Step 2: Convert to fraction form
    102,273.11/153,418.52 = 31,211.74/x
  3. Step 3: Cross multiply
    102,273.11x = 153,418.52 × 31,211.74
  4. Step 4: Simplify right side
    102,273.11x = 4,788,458,957.42
  5. Step 5: Solve for x
    x = 4,788,458,957.42/102,273.11
  6. Step 6: Final answer
    x = 46,820.31

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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.