Home / 57,077.98-78,749.76-34,423.90

Finding the Fourth Proportional to 57,077.98, 78,749.76 and 34,423.90

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Solution

The fourth proportional to 57,077.98, 78,749.76 and 34,423.90 is: 47,494.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,077.98 : 78,749.76 = 34,423.90 : x
  2. Step 2: Convert to fraction form
    57,077.98/78,749.76 = 34,423.90/x
  3. Step 3: Cross multiply
    57,077.98x = 78,749.76 × 34,423.90
  4. Step 4: Simplify right side
    57,077.98x = 2,710,873,863.26
  5. Step 5: Solve for x
    x = 2,710,873,863.26/57,077.98
  6. Step 6: Final answer
    x = 47,494.22

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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.