Home / 61,271.12-84,588.36-49,140.56

Finding the Fourth Proportional to 61,271.12, 84,588.36 and 49,140.56

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Solution

The fourth proportional to 61,271.12, 84,588.36 and 49,140.56 is: 67,841.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,271.12 : 84,588.36 = 49,140.56 : x
  2. Step 2: Convert to fraction form
    61,271.12/84,588.36 = 49,140.56/x
  3. Step 3: Cross multiply
    61,271.12x = 84,588.36 × 49,140.56
  4. Step 4: Simplify right side
    61,271.12x = 4,156,719,379.88
  5. Step 5: Solve for x
    x = 4,156,719,379.88/61,271.12
  6. Step 6: Final answer
    x = 67,841.41

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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.