Home / 86,047.44-129,104.27-41,670.78

Finding the Fourth Proportional to 86,047.44, 129,104.27 and 41,670.78

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Solution

The fourth proportional to 86,047.44, 129,104.27 and 41,670.78 is: 62,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,047.44 : 129,104.27 = 41,670.78 : x
  2. Step 2: Convert to fraction form
    86,047.44/129,104.27 = 41,670.78/x
  3. Step 3: Cross multiply
    86,047.44x = 129,104.27 × 41,670.78
  4. Step 4: Simplify right side
    86,047.44x = 5,379,875,423.88
  5. Step 5: Solve for x
    x = 5,379,875,423.88/86,047.44
  6. Step 6: Final answer
    x = 62,522.20

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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.