Home / 84,776.72-117,001.02-54,177.70

Finding the Fourth Proportional to 84,776.72, 117,001.02 and 54,177.70

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Solution

The fourth proportional to 84,776.72, 117,001.02 and 54,177.70 is: 74,771.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,776.72 : 117,001.02 = 54,177.70 : x
  2. Step 2: Convert to fraction form
    84,776.72/117,001.02 = 54,177.70/x
  3. Step 3: Cross multiply
    84,776.72x = 117,001.02 × 54,177.70
  4. Step 4: Simplify right side
    84,776.72x = 6,338,846,161.25
  5. Step 5: Solve for x
    x = 6,338,846,161.25/84,776.72
  6. Step 6: Final answer
    x = 74,771.07

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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.