Home / 89,613.64-123,661.38-51,880.60

Finding the Fourth Proportional to 89,613.64, 123,661.38 and 51,880.60

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Solution

The fourth proportional to 89,613.64, 123,661.38 and 51,880.60 is: 71,592.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,613.64 : 123,661.38 = 51,880.60 : x
  2. Step 2: Convert to fraction form
    89,613.64/123,661.38 = 51,880.60/x
  3. Step 3: Cross multiply
    89,613.64x = 123,661.38 × 51,880.60
  4. Step 4: Simplify right side
    89,613.64x = 6,415,626,591.23
  5. Step 5: Solve for x
    x = 6,415,626,591.23/89,613.64
  6. Step 6: Final answer
    x = 71,592.08

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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.