Home / 86,827.16-130,240.72-40,054.52

Finding the Fourth Proportional to 86,827.16, 130,240.72 and 40,054.52

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Solution

The fourth proportional to 86,827.16, 130,240.72 and 40,054.52 is: 60,081.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,827.16 : 130,240.72 = 40,054.52 : x
  2. Step 2: Convert to fraction form
    86,827.16/130,240.72 = 40,054.52/x
  3. Step 3: Cross multiply
    86,827.16x = 130,240.72 × 40,054.52
  4. Step 4: Simplify right side
    86,827.16x = 5,216,729,524.05
  5. Step 5: Solve for x
    x = 5,216,729,524.05/86,827.16
  6. Step 6: Final answer
    x = 60,081.77

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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.