Home / 99,846.21-137,788.02-54,524.55

Finding the Fourth Proportional to 99,846.21, 137,788.02 and 54,524.55

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Solution

The fourth proportional to 99,846.21, 137,788.02 and 54,524.55 is: 75,244.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,846.21 : 137,788.02 = 54,524.55 : x
  2. Step 2: Convert to fraction form
    99,846.21/137,788.02 = 54,524.55/x
  3. Step 3: Cross multiply
    99,846.21x = 137,788.02 × 54,524.55
  4. Step 4: Simplify right side
    99,846.21x = 7,512,829,785.89
  5. Step 5: Solve for x
    x = 7,512,829,785.89/99,846.21
  6. Step 6: Final answer
    x = 75,244.02

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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.