Home / 86,324.33-119,145.95-58,013.61

Finding the Fourth Proportional to 86,324.33, 119,145.95 and 58,013.61

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Solution

The fourth proportional to 86,324.33, 119,145.95 and 58,013.61 is: 80,071.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,324.33 : 119,145.95 = 58,013.61 : x
  2. Step 2: Convert to fraction form
    86,324.33/119,145.95 = 58,013.61/x
  3. Step 3: Cross multiply
    86,324.33x = 119,145.95 × 58,013.61
  4. Step 4: Simplify right side
    86,324.33x = 6,912,086,386.31
  5. Step 5: Solve for x
    x = 6,912,086,386.31/86,324.33
  6. Step 6: Final answer
    x = 80,071.13

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1.5x scale

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.