Home / 86,998.31-130,288.06-49,466.57

Finding the Fourth Proportional to 86,998.31, 130,288.06 and 49,466.57

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Solution

The fourth proportional to 86,998.31, 130,288.06 and 49,466.57 is: 74,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,998.31 : 130,288.06 = 49,466.57 : x
  2. Step 2: Convert to fraction form
    86,998.31/130,288.06 = 49,466.57/x
  3. Step 3: Cross multiply
    86,998.31x = 130,288.06 × 49,466.57
  4. Step 4: Simplify right side
    86,998.31x = 6,444,903,440.15
  5. Step 5: Solve for x
    x = 6,444,903,440.15/86,998.31
  6. Step 6: Final answer
    x = 74,080.79

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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.