Home / 86,900.12-119,856.89-58,252.10

Finding the Fourth Proportional to 86,900.12, 119,856.89 and 58,252.10

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Solution

The fourth proportional to 86,900.12, 119,856.89 and 58,252.10 is: 80,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,900.12 : 119,856.89 = 58,252.10 : x
  2. Step 2: Convert to fraction form
    86,900.12/119,856.89 = 58,252.10/x
  3. Step 3: Cross multiply
    86,900.12x = 119,856.89 × 58,252.10
  4. Step 4: Simplify right side
    86,900.12x = 6,981,914,924.48
  5. Step 5: Solve for x
    x = 6,981,914,924.48/86,900.12
  6. Step 6: Final answer
    x = 80,344.13

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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.