Home / 87,615.69-131,421.65-24,434.13

Finding the Fourth Proportional to 87,615.69, 131,421.65 and 24,434.13

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Solution

The fourth proportional to 87,615.69, 131,421.65 and 24,434.13 is: 36,650.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,615.69 : 131,421.65 = 24,434.13 : x
  2. Step 2: Convert to fraction form
    87,615.69/131,421.65 = 24,434.13/x
  3. Step 3: Cross multiply
    87,615.69x = 131,421.65 × 24,434.13
  4. Step 4: Simplify right side
    87,615.69x = 3,211,173,381.05
  5. Step 5: Solve for x
    x = 3,211,173,381.05/87,615.69
  6. Step 6: Final answer
    x = 36,650.67

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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.