Home / 98,563.52-136,007.16-58,278.80

Finding the Fourth Proportional to 98,563.52, 136,007.16 and 58,278.80

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Solution

The fourth proportional to 98,563.52, 136,007.16 and 58,278.80 is: 80,418.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,563.52 : 136,007.16 = 58,278.80 : x
  2. Step 2: Convert to fraction form
    98,563.52/136,007.16 = 58,278.80/x
  3. Step 3: Cross multiply
    98,563.52x = 136,007.16 × 58,278.80
  4. Step 4: Simplify right side
    98,563.52x = 7,926,334,076.21
  5. Step 5: Solve for x
    x = 7,926,334,076.21/98,563.52
  6. Step 6: Final answer
    x = 80,418.54

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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.