Home / 86,262.40-119,141.75-57,532.14

Finding the Fourth Proportional to 86,262.40, 119,141.75 and 57,532.14

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Solution

The fourth proportional to 86,262.40, 119,141.75 and 57,532.14 is: 79,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,262.40 : 119,141.75 = 57,532.14 : x
  2. Step 2: Convert to fraction form
    86,262.40/119,141.75 = 57,532.14/x
  3. Step 3: Cross multiply
    86,262.40x = 119,141.75 × 57,532.14
  4. Step 4: Simplify right side
    86,262.40x = 6,854,479,840.85
  5. Step 5: Solve for x
    x = 6,854,479,840.85/86,262.40
  6. Step 6: Final answer
    x = 79,460.81

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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.