Home / 98,337.12-135,704.88-55,895.55

Finding the Fourth Proportional to 98,337.12, 135,704.88 and 55,895.55

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Solution

The fourth proportional to 98,337.12, 135,704.88 and 55,895.55 is: 77,135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,337.12 : 135,704.88 = 55,895.55 : x
  2. Step 2: Convert to fraction form
    98,337.12/135,704.88 = 55,895.55/x
  3. Step 3: Cross multiply
    98,337.12x = 135,704.88 × 55,895.55
  4. Step 4: Simplify right side
    98,337.12x = 7,585,298,905.28
  5. Step 5: Solve for x
    x = 7,585,298,905.28/98,337.12
  6. Step 6: Final answer
    x = 77,135.66

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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.