Home / 66,386.45-99,621.19-26,943.56

Finding the Fourth Proportional to 66,386.45, 99,621.19 and 26,943.56

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Solution

The fourth proportional to 66,386.45, 99,621.19 and 26,943.56 is: 40,432.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,386.45 : 99,621.19 = 26,943.56 : x
  2. Step 2: Convert to fraction form
    66,386.45/99,621.19 = 26,943.56/x
  3. Step 3: Cross multiply
    66,386.45x = 99,621.19 × 26,943.56
  4. Step 4: Simplify right side
    66,386.45x = 2,684,149,510.04
  5. Step 5: Solve for x
    x = 2,684,149,510.04/66,386.45
  6. Step 6: Final answer
    x = 40,432.19

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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.