Home / 84,872.12-127,307.36-51,601.37

Finding the Fourth Proportional to 84,872.12, 127,307.36 and 51,601.37

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Solution

The fourth proportional to 84,872.12, 127,307.36 and 51,601.37 is: 77,401.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,872.12 : 127,307.36 = 51,601.37 : x
  2. Step 2: Convert to fraction form
    84,872.12/127,307.36 = 51,601.37/x
  3. Step 3: Cross multiply
    84,872.12x = 127,307.36 × 51,601.37
  4. Step 4: Simplify right side
    84,872.12x = 6,569,234,187.08
  5. Step 5: Solve for x
    x = 6,569,234,187.08/84,872.12
  6. Step 6: Final answer
    x = 77,401.56

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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.