Home / 87,264.50-120,425.48-49,025.66

Finding the Fourth Proportional to 87,264.50, 120,425.48 and 49,025.66

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Solution

The fourth proportional to 87,264.50, 120,425.48 and 49,025.66 is: 67,655.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,264.50 : 120,425.48 = 49,025.66 : x
  2. Step 2: Convert to fraction form
    87,264.50/120,425.48 = 49,025.66/x
  3. Step 3: Cross multiply
    87,264.50x = 120,425.48 × 49,025.66
  4. Step 4: Simplify right side
    87,264.50x = 5,903,938,637.82
  5. Step 5: Solve for x
    x = 5,903,938,637.82/87,264.50
  6. Step 6: Final answer
    x = 67,655.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.