Home / 54,680.27-81,880.95-43,603.12

Finding the Fourth Proportional to 54,680.27, 81,880.95 and 43,603.12

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Solution

The fourth proportional to 54,680.27, 81,880.95 and 43,603.12 is: 65,293.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,680.27 : 81,880.95 = 43,603.12 : x
  2. Step 2: Convert to fraction form
    54,680.27/81,880.95 = 43,603.12/x
  3. Step 3: Cross multiply
    54,680.27x = 81,880.95 × 43,603.12
  4. Step 4: Simplify right side
    54,680.27x = 3,570,264,479.16
  5. Step 5: Solve for x
    x = 3,570,264,479.16/54,680.27
  6. Step 6: Final answer
    x = 65,293.47

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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.