Home / 86,864.19-130,315.41-49,441.88

Finding the Fourth Proportional to 86,864.19, 130,315.41 and 49,441.88

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Solution

The fourth proportional to 86,864.19, 130,315.41 and 49,441.88 is: 74,173.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,864.19 : 130,315.41 = 49,441.88 : x
  2. Step 2: Convert to fraction form
    86,864.19/130,315.41 = 49,441.88/x
  3. Step 3: Cross multiply
    86,864.19x = 130,315.41 × 49,441.88
  4. Step 4: Simplify right side
    86,864.19x = 6,443,038,863.37
  5. Step 5: Solve for x
    x = 6,443,038,863.37/86,864.19
  6. Step 6: Final answer
    x = 74,173.71

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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.