Home / 86,510.07-119,391.18-48,791.61

Finding the Fourth Proportional to 86,510.07, 119,391.18 and 48,791.61

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Solution

The fourth proportional to 86,510.07, 119,391.18 and 48,791.61 is: 67,336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,510.07 : 119,391.18 = 48,791.61 : x
  2. Step 2: Convert to fraction form
    86,510.07/119,391.18 = 48,791.61/x
  3. Step 3: Cross multiply
    86,510.07x = 119,391.18 × 48,791.61
  4. Step 4: Simplify right side
    86,510.07x = 5,825,287,892.00
  5. Step 5: Solve for x
    x = 5,825,287,892.00/86,510.07
  6. Step 6: Final answer
    x = 67,336.53

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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.