Home / 75,806.55-113,779.85-38,392.92

Finding the Fourth Proportional to 75,806.55, 113,779.85 and 38,392.92

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Solution

The fourth proportional to 75,806.55, 113,779.85 and 38,392.92 is: 57,624.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,806.55 : 113,779.85 = 38,392.92 : x
  2. Step 2: Convert to fraction form
    75,806.55/113,779.85 = 38,392.92/x
  3. Step 3: Cross multiply
    75,806.55x = 113,779.85 × 38,392.92
  4. Step 4: Simplify right side
    75,806.55x = 4,368,340,678.66
  5. Step 5: Solve for x
    x = 4,368,340,678.66/75,806.55
  6. Step 6: Final answer
    x = 57,624.84

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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.