Home / 85,738.07-118,324.76-51,754.83

Finding the Fourth Proportional to 85,738.07, 118,324.76 and 51,754.83

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Solution

The fourth proportional to 85,738.07, 118,324.76 and 51,754.83 is: 71,425.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,738.07 : 118,324.76 = 51,754.83 : x
  2. Step 2: Convert to fraction form
    85,738.07/118,324.76 = 51,754.83/x
  3. Step 3: Cross multiply
    85,738.07x = 118,324.76 × 51,754.83
  4. Step 4: Simplify right side
    85,738.07x = 6,123,877,967.98
  5. Step 5: Solve for x
    x = 6,123,877,967.98/85,738.07
  6. Step 6: Final answer
    x = 71,425.43

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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.