Home / 87,312.76-120,396.26-58,969.24

Finding the Fourth Proportional to 87,312.76, 120,396.26 and 58,969.24

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Solution

The fourth proportional to 87,312.76, 120,396.26 and 58,969.24 is: 81,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,312.76 : 120,396.26 = 58,969.24 : x
  2. Step 2: Convert to fraction form
    87,312.76/120,396.26 = 58,969.24/x
  3. Step 3: Cross multiply
    87,312.76x = 120,396.26 × 58,969.24
  4. Step 4: Simplify right side
    87,312.76x = 7,099,675,951.04
  5. Step 5: Solve for x
    x = 7,099,675,951.04/87,312.76
  6. Step 6: Final answer
    x = 81,313.15

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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.