Home / 86,329.67-119,153.33-58,018.95

Finding the Fourth Proportional to 86,329.67, 119,153.33 and 58,018.95

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Solution

The fourth proportional to 86,329.67, 119,153.33 and 58,018.95 is: 80,078.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,329.67 : 119,153.33 = 58,018.95 : x
  2. Step 2: Convert to fraction form
    86,329.67/119,153.33 = 58,018.95/x
  3. Step 3: Cross multiply
    86,329.67x = 119,153.33 × 58,018.95
  4. Step 4: Simplify right side
    86,329.67x = 6,913,151,252.33
  5. Step 5: Solve for x
    x = 6,913,151,252.33/86,329.67
  6. Step 6: Final answer
    x = 80,078.51

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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.