Home / 75,554.60-113,419.20-40,562.60

Finding the Fourth Proportional to 75,554.60, 113,419.20 and 40,562.60

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Solution

The fourth proportional to 75,554.60, 113,419.20 and 40,562.60 is: 60,890.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,554.60 : 113,419.20 = 40,562.60 : x
  2. Step 2: Convert to fraction form
    75,554.60/113,419.20 = 40,562.60/x
  3. Step 3: Cross multiply
    75,554.60x = 113,419.20 × 40,562.60
  4. Step 4: Simplify right side
    75,554.60x = 4,600,577,641.92
  5. Step 5: Solve for x
    x = 4,600,577,641.92/75,554.60
  6. Step 6: Final answer
    x = 60,890.77

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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.