Home / 84,523.50-126,737.82-57,899.58

Finding the Fourth Proportional to 84,523.50, 126,737.82 and 57,899.58

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Solution

The fourth proportional to 84,523.50, 126,737.82 and 57,899.58 is: 86,816.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,523.50 : 126,737.82 = 57,899.58 : x
  2. Step 2: Convert to fraction form
    84,523.50/126,737.82 = 57,899.58/x
  3. Step 3: Cross multiply
    84,523.50x = 126,737.82 × 57,899.58
  4. Step 4: Simplify right side
    84,523.50x = 7,338,066,548.12
  5. Step 5: Solve for x
    x = 7,338,066,548.12/84,523.50
  6. Step 6: Final answer
    x = 86,816.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.