Home / 66,084.31-99,145.91-26,621.11

Finding the Fourth Proportional to 66,084.31, 99,145.91 and 26,621.11

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Solution

The fourth proportional to 66,084.31, 99,145.91 and 26,621.11 is: 39,939.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,084.31 : 99,145.91 = 26,621.11 : x
  2. Step 2: Convert to fraction form
    66,084.31/99,145.91 = 26,621.11/x
  3. Step 3: Cross multiply
    66,084.31x = 99,145.91 × 26,621.11
  4. Step 4: Simplify right side
    66,084.31x = 2,639,374,176.16
  5. Step 5: Solve for x
    x = 2,639,374,176.16/66,084.31
  6. Step 6: Final answer
    x = 39,939.50

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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.