Home / 77,433.44-106,851.68-43,437.20

Finding the Fourth Proportional to 77,433.44, 106,851.68 and 43,437.20

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Solution

The fourth proportional to 77,433.44, 106,851.68 and 43,437.20 is: 59,939.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,433.44 : 106,851.68 = 43,437.20 : x
  2. Step 2: Convert to fraction form
    77,433.44/106,851.68 = 43,437.20/x
  3. Step 3: Cross multiply
    77,433.44x = 106,851.68 × 43,437.20
  4. Step 4: Simplify right side
    77,433.44x = 4,641,337,794.50
  5. Step 5: Solve for x
    x = 4,641,337,794.50/77,433.44
  6. Step 6: Final answer
    x = 59,939.71

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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.