Home / 53,679.90-74,077.86-29,806.66

Finding the Fourth Proportional to 53,679.90, 74,077.86 and 29,806.66

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Solution

The fourth proportional to 53,679.90, 74,077.86 and 29,806.66 is: 41,132.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,679.90 : 74,077.86 = 29,806.66 : x
  2. Step 2: Convert to fraction form
    53,679.90/74,077.86 = 29,806.66/x
  3. Step 3: Cross multiply
    53,679.90x = 74,077.86 × 29,806.66
  4. Step 4: Simplify right side
    53,679.90x = 2,208,013,586.55
  5. Step 5: Solve for x
    x = 2,208,013,586.55/53,679.90
  6. Step 6: Final answer
    x = 41,132.97

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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.