Home / 81,123.03-121,444.88-59,922.27

Finding the Fourth Proportional to 81,123.03, 121,444.88 and 59,922.27

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Solution

The fourth proportional to 81,123.03, 121,444.88 and 59,922.27 is: 89,706.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,123.03 : 121,444.88 = 59,922.27 : x
  2. Step 2: Convert to fraction form
    81,123.03/121,444.88 = 59,922.27/x
  3. Step 3: Cross multiply
    81,123.03x = 121,444.88 × 59,922.27
  4. Step 4: Simplify right side
    81,123.03x = 7,277,252,589.87
  5. Step 5: Solve for x
    x = 7,277,252,589.87/81,123.03
  6. Step 6: Final answer
    x = 89,706.37

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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.