Home / 57,245.44-78,988.56-34,569.28

Finding the Fourth Proportional to 57,245.44, 78,988.56 and 34,569.28

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Solution

The fourth proportional to 57,245.44, 78,988.56 and 34,569.28 is: 47,699.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,245.44 : 78,988.56 = 34,569.28 : x
  2. Step 2: Convert to fraction form
    57,245.44/78,988.56 = 34,569.28/x
  3. Step 3: Cross multiply
    57,245.44x = 78,988.56 × 34,569.28
  4. Step 4: Simplify right side
    57,245.44x = 2,730,577,647.44
  5. Step 5: Solve for x
    x = 2,730,577,647.44/57,245.44
  6. Step 6: Final answer
    x = 47,699.48

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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.