Home / 78,187.14-107,896.51-44,191.10

Finding the Fourth Proportional to 78,187.14, 107,896.51 and 44,191.10

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Solution

The fourth proportional to 78,187.14, 107,896.51 and 44,191.10 is: 60,982.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,187.14 : 107,896.51 = 44,191.10 : x
  2. Step 2: Convert to fraction form
    78,187.14/107,896.51 = 44,191.10/x
  3. Step 3: Cross multiply
    78,187.14x = 107,896.51 × 44,191.10
  4. Step 4: Simplify right side
    78,187.14x = 4,768,065,242.11
  5. Step 5: Solve for x
    x = 4,768,065,242.11/78,187.14
  6. Step 6: Final answer
    x = 60,982.73

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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.