Home / 71,103.44-98,066.76-66,334.16

Finding the Fourth Proportional to 71,103.44, 98,066.76 and 66,334.16

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Solution

The fourth proportional to 71,103.44, 98,066.76 and 66,334.16 is: 91,488.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,103.44 : 98,066.76 = 66,334.16 : x
  2. Step 2: Convert to fraction form
    71,103.44/98,066.76 = 66,334.16/x
  3. Step 3: Cross multiply
    71,103.44x = 98,066.76 × 66,334.16
  4. Step 4: Simplify right side
    71,103.44x = 6,505,176,148.52
  5. Step 5: Solve for x
    x = 6,505,176,148.52/71,103.44
  6. Step 6: Final answer
    x = 91,488.91

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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.