Home / 86,943.62-130,327.19-49,426.17

Finding the Fourth Proportional to 86,943.62, 130,327.19 and 49,426.17

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Solution

The fourth proportional to 86,943.62, 130,327.19 and 49,426.17 is: 74,089.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,943.62 : 130,327.19 = 49,426.17 : x
  2. Step 2: Convert to fraction form
    86,943.62/130,327.19 = 49,426.17/x
  3. Step 3: Cross multiply
    86,943.62x = 130,327.19 × 49,426.17
  4. Step 4: Simplify right side
    86,943.62x = 6,441,573,601.43
  5. Step 5: Solve for x
    x = 6,441,573,601.43/86,943.62
  6. Step 6: Final answer
    x = 74,089.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.