Home / 61,207.56-91,620.54-47,131.02

Finding the Fourth Proportional to 61,207.56, 91,620.54 and 47,131.02

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Solution

The fourth proportional to 61,207.56, 91,620.54 and 47,131.02 is: 70,549.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,207.56 : 91,620.54 = 47,131.02 : x
  2. Step 2: Convert to fraction form
    61,207.56/91,620.54 = 47,131.02/x
  3. Step 3: Cross multiply
    61,207.56x = 91,620.54 × 47,131.02
  4. Step 4: Simplify right side
    61,207.56x = 4,318,169,503.15
  5. Step 5: Solve for x
    x = 4,318,169,503.15/61,207.56
  6. Step 6: Final answer
    x = 70,549.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.