Home / 72,792.84-100,429.02-44,121.72

Finding the Fourth Proportional to 72,792.84, 100,429.02 and 44,121.72

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Solution

The fourth proportional to 72,792.84, 100,429.02 and 44,121.72 is: 60,872.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,792.84 : 100,429.02 = 44,121.72 : x
  2. Step 2: Convert to fraction form
    72,792.84/100,429.02 = 44,121.72/x
  3. Step 3: Cross multiply
    72,792.84x = 100,429.02 × 44,121.72
  4. Step 4: Simplify right side
    72,792.84x = 4,431,101,100.31
  5. Step 5: Solve for x
    x = 4,431,101,100.31/72,792.84
  6. Step 6: Final answer
    x = 60,872.76

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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.