Home / 84,127.36-126,177.66-27,962.77

Finding the Fourth Proportional to 84,127.36, 126,177.66 and 27,962.77

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Solution

The fourth proportional to 84,127.36, 126,177.66 and 27,962.77 is: 41,939.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,127.36 : 126,177.66 = 27,962.77 : x
  2. Step 2: Convert to fraction form
    84,127.36/126,177.66 = 27,962.77/x
  3. Step 3: Cross multiply
    84,127.36x = 126,177.66 × 27,962.77
  4. Step 4: Simplify right side
    84,127.36x = 3,528,276,885.72
  5. Step 5: Solve for x
    x = 3,528,276,885.72/84,127.36
  6. Step 6: Final answer
    x = 41,939.71

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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.