Home / 71,317.38-98,387.04-43,007.34

Finding the Fourth Proportional to 71,317.38, 98,387.04 and 43,007.34

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Solution

The fourth proportional to 71,317.38, 98,387.04 and 43,007.34 is: 59,331.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,317.38 : 98,387.04 = 43,007.34 : x
  2. Step 2: Convert to fraction form
    71,317.38/98,387.04 = 43,007.34/x
  3. Step 3: Cross multiply
    71,317.38x = 98,387.04 × 43,007.34
  4. Step 4: Simplify right side
    71,317.38x = 4,231,364,880.87
  5. Step 5: Solve for x
    x = 4,231,364,880.87/71,317.38
  6. Step 6: Final answer
    x = 59,331.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.