Home / 87,282.82-120,461.53-53,284.18

Finding the Fourth Proportional to 87,282.82, 120,461.53 and 53,284.18

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Solution

The fourth proportional to 87,282.82, 120,461.53 and 53,284.18 is: 73,539.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,282.82 : 120,461.53 = 53,284.18 : x
  2. Step 2: Convert to fraction form
    87,282.82/120,461.53 = 53,284.18/x
  3. Step 3: Cross multiply
    87,282.82x = 120,461.53 × 53,284.18
  4. Step 4: Simplify right side
    87,282.82x = 6,418,693,847.60
  5. Step 5: Solve for x
    x = 6,418,693,847.60/87,282.82
  6. Step 6: Final answer
    x = 73,539.03

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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.