Home / 98,613.75-136,086.99-56,196.90

Finding the Fourth Proportional to 98,613.75, 136,086.99 and 56,196.90

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Solution

The fourth proportional to 98,613.75, 136,086.99 and 56,196.90 is: 77,551.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,613.75 : 136,086.99 = 56,196.90 : x
  2. Step 2: Convert to fraction form
    98,613.75/136,086.99 = 56,196.90/x
  3. Step 3: Cross multiply
    98,613.75x = 136,086.99 × 56,196.90
  4. Step 4: Simplify right side
    98,613.75x = 7,647,666,968.33
  5. Step 5: Solve for x
    x = 7,647,666,968.33/98,613.75
  6. Step 6: Final answer
    x = 77,551.73

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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.