Home / 86,974.17-130,459.20-27,810.36

Finding the Fourth Proportional to 86,974.17, 130,459.20 and 27,810.36

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Solution

The fourth proportional to 86,974.17, 130,459.20 and 27,810.36 is: 41,714.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,974.17 : 130,459.20 = 27,810.36 : x
  2. Step 2: Convert to fraction form
    86,974.17/130,459.20 = 27,810.36/x
  3. Step 3: Cross multiply
    86,974.17x = 130,459.20 × 27,810.36
  4. Step 4: Simplify right side
    86,974.17x = 3,628,116,525.96
  5. Step 5: Solve for x
    x = 3,628,116,525.96/86,974.17
  6. Step 6: Final answer
    x = 41,714.87

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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.