Home / 89,613.36-123,665.58-49,326.66

Finding the Fourth Proportional to 89,613.36, 123,665.58 and 49,326.66

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Solution

The fourth proportional to 89,613.36, 123,665.58 and 49,326.66 is: 68,070.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,613.36 : 123,665.58 = 49,326.66 : x
  2. Step 2: Convert to fraction form
    89,613.36/123,665.58 = 49,326.66/x
  3. Step 3: Cross multiply
    89,613.36x = 123,665.58 × 49,326.66
  4. Step 4: Simplify right side
    89,613.36x = 6,100,010,018.36
  5. Step 5: Solve for x
    x = 6,100,010,018.36/89,613.36
  6. Step 6: Final answer
    x = 68,070.32

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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.