Home / 86,917.43-130,376.13-47,453.01

Finding the Fourth Proportional to 86,917.43, 130,376.13 and 47,453.01

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Solution

The fourth proportional to 86,917.43, 130,376.13 and 47,453.01 is: 71,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,917.43 : 130,376.13 = 47,453.01 : x
  2. Step 2: Convert to fraction form
    86,917.43/130,376.13 = 47,453.01/x
  3. Step 3: Cross multiply
    86,917.43x = 130,376.13 × 47,453.01
  4. Step 4: Simplify right side
    86,917.43x = 6,186,739,800.65
  5. Step 5: Solve for x
    x = 6,186,739,800.65/86,917.43
  6. Step 6: Final answer
    x = 71,179.51

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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.