Home / 75,641.18-113,462.33-28,266.98

Finding the Fourth Proportional to 75,641.18, 113,462.33 and 28,266.98

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Solution

The fourth proportional to 75,641.18, 113,462.33 and 28,266.98 is: 42,400.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,641.18 : 113,462.33 = 28,266.98 : x
  2. Step 2: Convert to fraction form
    75,641.18/113,462.33 = 28,266.98/x
  3. Step 3: Cross multiply
    75,641.18x = 113,462.33 × 28,266.98
  4. Step 4: Simplify right side
    75,641.18x = 3,207,236,704.22
  5. Step 5: Solve for x
    x = 3,207,236,704.22/75,641.18
  6. Step 6: Final answer
    x = 42,400.67

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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.