Home / 98,191.69-135,505.44-55,751.13

Finding the Fourth Proportional to 98,191.69, 135,505.44 and 55,751.13

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Solution

The fourth proportional to 98,191.69, 135,505.44 and 55,751.13 is: 76,937.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,191.69 : 135,505.44 = 55,751.13 : x
  2. Step 2: Convert to fraction form
    98,191.69/135,505.44 = 55,751.13/x
  3. Step 3: Cross multiply
    98,191.69x = 135,505.44 × 55,751.13
  4. Step 4: Simplify right side
    98,191.69x = 7,554,581,401.15
  5. Step 5: Solve for x
    x = 7,554,581,401.15/98,191.69
  6. Step 6: Final answer
    x = 76,937.08

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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.