Home / 51,622.45-77,084.02-40,972.97

Finding the Fourth Proportional to 51,622.45, 77,084.02 and 40,972.97

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Solution

The fourth proportional to 51,622.45, 77,084.02 and 40,972.97 is: 61,181.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,622.45 : 77,084.02 = 40,972.97 : x
  2. Step 2: Convert to fraction form
    51,622.45/77,084.02 = 40,972.97/x
  3. Step 3: Cross multiply
    51,622.45x = 77,084.02 × 40,972.97
  4. Step 4: Simplify right side
    51,622.45x = 3,158,361,482.87
  5. Step 5: Solve for x
    x = 3,158,361,482.87/51,622.45
  6. Step 6: Final answer
    x = 61,181.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.