Home / 86,828.35-130,245.18-29,901.64

Finding the Fourth Proportional to 86,828.35, 130,245.18 and 29,901.64

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Solution

The fourth proportional to 86,828.35, 130,245.18 and 29,901.64 is: 44,853.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,828.35 : 130,245.18 = 29,901.64 : x
  2. Step 2: Convert to fraction form
    86,828.35/130,245.18 = 29,901.64/x
  3. Step 3: Cross multiply
    86,828.35x = 130,245.18 × 29,901.64
  4. Step 4: Simplify right side
    86,828.35x = 3,894,544,484.10
  5. Step 5: Solve for x
    x = 3,894,544,484.10/86,828.35
  6. Step 6: Final answer
    x = 44,853.37

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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.