Home / 86,047.07-129,103.70-41,670.41

Finding the Fourth Proportional to 86,047.07, 129,103.70 and 41,670.41

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Solution

The fourth proportional to 86,047.07, 129,103.70 and 41,670.41 is: 62,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,047.07 : 129,103.70 = 41,670.41 : x
  2. Step 2: Convert to fraction form
    86,047.07/129,103.70 = 41,670.41/x
  3. Step 3: Cross multiply
    86,047.07x = 129,103.70 × 41,670.41
  4. Step 4: Simplify right side
    86,047.07x = 5,379,803,257.65
  5. Step 5: Solve for x
    x = 5,379,803,257.65/86,047.07
  6. Step 6: Final answer
    x = 62,521.64

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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.