Home / 54,571.45-75,312.98-30,696.70

Finding the Fourth Proportional to 54,571.45, 75,312.98 and 30,696.70

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Solution

The fourth proportional to 54,571.45, 75,312.98 and 30,696.70 is: 42,363.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,571.45 : 75,312.98 = 30,696.70 : x
  2. Step 2: Convert to fraction form
    54,571.45/75,312.98 = 30,696.70/x
  3. Step 3: Cross multiply
    54,571.45x = 75,312.98 × 30,696.70
  4. Step 4: Simplify right side
    54,571.45x = 2,311,859,953.17
  5. Step 5: Solve for x
    x = 2,311,859,953.17/54,571.45
  6. Step 6: Final answer
    x = 42,363.91

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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.