Home / 86,982.13-130,498.49-36,405.02

Finding the Fourth Proportional to 86,982.13, 130,498.49 and 36,405.02

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Solution

The fourth proportional to 86,982.13, 130,498.49 and 36,405.02 is: 54,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,982.13 : 130,498.49 = 36,405.02 : x
  2. Step 2: Convert to fraction form
    86,982.13/130,498.49 = 36,405.02/x
  3. Step 3: Cross multiply
    86,982.13x = 130,498.49 × 36,405.02
  4. Step 4: Simplify right side
    86,982.13x = 4,750,799,956.39
  5. Step 5: Solve for x
    x = 4,750,799,956.39/86,982.13
  6. Step 6: Final answer
    x = 54,618.11

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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.