Home / 87,299.84-120,474.24-51,022.40

Finding the Fourth Proportional to 87,299.84, 120,474.24 and 51,022.40

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Solution

The fourth proportional to 87,299.84, 120,474.24 and 51,022.40 is: 70,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,299.84 : 120,474.24 = 51,022.40 : x
  2. Step 2: Convert to fraction form
    87,299.84/120,474.24 = 51,022.40/x
  3. Step 3: Cross multiply
    87,299.84x = 120,474.24 × 51,022.40
  4. Step 4: Simplify right side
    87,299.84x = 6,146,884,862.98
  5. Step 5: Solve for x
    x = 6,146,884,862.98/87,299.84
  6. Step 6: Final answer
    x = 70,411.18

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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.