Home / 53,765.80-74,195.16-29,566.72

Finding the Fourth Proportional to 53,765.80, 74,195.16 and 29,566.72

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Solution

The fourth proportional to 53,765.80, 74,195.16 and 29,566.72 is: 40,801.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,765.80 : 74,195.16 = 29,566.72 : x
  2. Step 2: Convert to fraction form
    53,765.80/74,195.16 = 29,566.72/x
  3. Step 3: Cross multiply
    53,765.80x = 74,195.16 × 29,566.72
  4. Step 4: Simplify right side
    53,765.80x = 2,193,707,521.08
  5. Step 5: Solve for x
    x = 2,193,707,521.08/53,765.80
  6. Step 6: Final answer
    x = 40,801.17

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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.