Home / 83,592.03-115,357.01-47,782.82

Finding the Fourth Proportional to 83,592.03, 115,357.01 and 47,782.82

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Solution

The fourth proportional to 83,592.03, 115,357.01 and 47,782.82 is: 65,940.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,592.03 : 115,357.01 = 47,782.82 : x
  2. Step 2: Convert to fraction form
    83,592.03/115,357.01 = 47,782.82/x
  3. Step 3: Cross multiply
    83,592.03x = 115,357.01 × 47,782.82
  4. Step 4: Simplify right side
    83,592.03x = 5,512,082,428.87
  5. Step 5: Solve for x
    x = 5,512,082,428.87/83,592.03
  6. Step 6: Final answer
    x = 65,940.29

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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.