Home / 86,635.68-119,521.08-58,292.16

Finding the Fourth Proportional to 86,635.68, 119,521.08 and 58,292.16

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Solution

The fourth proportional to 86,635.68, 119,521.08 and 58,292.16 is: 80,418.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,635.68 : 119,521.08 = 58,292.16 : x
  2. Step 2: Convert to fraction form
    86,635.68/119,521.08 = 58,292.16/x
  3. Step 3: Cross multiply
    86,635.68x = 119,521.08 × 58,292.16
  4. Step 4: Simplify right side
    86,635.68x = 6,967,141,918.73
  5. Step 5: Solve for x
    x = 6,967,141,918.73/86,635.68
  6. Step 6: Final answer
    x = 80,418.85

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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.