Home / 86,918.65-130,376.86-27,753.57

Finding the Fourth Proportional to 86,918.65, 130,376.86 and 27,753.57

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Solution

The fourth proportional to 86,918.65, 130,376.86 and 27,753.57 is: 41,630.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,918.65 : 130,376.86 = 27,753.57 : x
  2. Step 2: Convert to fraction form
    86,918.65/130,376.86 = 27,753.57/x
  3. Step 3: Cross multiply
    86,918.65x = 130,376.86 × 27,753.57
  4. Step 4: Simplify right side
    86,918.65x = 3,618,423,310.39
  5. Step 5: Solve for x
    x = 3,618,423,310.39/86,918.65
  6. Step 6: Final answer
    x = 41,630.00

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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.