Home / 75,815.40-113,723.10-49,243.35

Finding the Fourth Proportional to 75,815.40, 113,723.10 and 49,243.35

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Solution

The fourth proportional to 75,815.40, 113,723.10 and 49,243.35 is: 73,865.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,815.40 : 113,723.10 = 49,243.35 : x
  2. Step 2: Convert to fraction form
    75,815.40/113,723.10 = 49,243.35/x
  3. Step 3: Cross multiply
    75,815.40x = 113,723.10 × 49,243.35
  4. Step 4: Simplify right side
    75,815.40x = 5,600,106,416.39
  5. Step 5: Solve for x
    x = 5,600,106,416.39/75,815.40
  6. Step 6: Final answer
    x = 73,865.03

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.