Home / 52,715.80-72,738.57-31,223.26

Finding the Fourth Proportional to 52,715.80, 72,738.57 and 31,223.26

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Solution

The fourth proportional to 52,715.80, 72,738.57 and 31,223.26 is: 43,082.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,715.80 : 72,738.57 = 31,223.26 : x
  2. Step 2: Convert to fraction form
    52,715.80/72,738.57 = 31,223.26/x
  3. Step 3: Cross multiply
    52,715.80x = 72,738.57 × 31,223.26
  4. Step 4: Simplify right side
    52,715.80x = 2,271,135,283.14
  5. Step 5: Solve for x
    x = 2,271,135,283.14/52,715.80
  6. Step 6: Final answer
    x = 43,082.63

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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.