Home / 87,333.14-120,480.16-51,506.43

Finding the Fourth Proportional to 87,333.14, 120,480.16 and 51,506.43

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Solution

The fourth proportional to 87,333.14, 120,480.16 and 51,506.43 is: 71,055.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,333.14 : 120,480.16 = 51,506.43 : x
  2. Step 2: Convert to fraction form
    87,333.14/120,480.16 = 51,506.43/x
  3. Step 3: Cross multiply
    87,333.14x = 120,480.16 × 51,506.43
  4. Step 4: Simplify right side
    87,333.14x = 6,205,502,927.43
  5. Step 5: Solve for x
    x = 6,205,502,927.43/87,333.14
  6. Step 6: Final answer
    x = 71,055.53

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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.