Home / 86,323.19-129,450.76-41,936.81

Finding the Fourth Proportional to 86,323.19, 129,450.76 and 41,936.81

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Solution

The fourth proportional to 86,323.19, 129,450.76 and 41,936.81 is: 62,888.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,323.19 : 129,450.76 = 41,936.81 : x
  2. Step 2: Convert to fraction form
    86,323.19/129,450.76 = 41,936.81/x
  3. Step 3: Cross multiply
    86,323.19x = 129,450.76 × 41,936.81
  4. Step 4: Simplify right side
    86,323.19x = 5,428,751,174.38
  5. Step 5: Solve for x
    x = 5,428,751,174.38/86,323.19
  6. Step 6: Final answer
    x = 62,888.68

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1.5x scale

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.