Home / 77,747.14-107,324.16-52,268.28

Finding the Fourth Proportional to 77,747.14, 107,324.16 and 52,268.28

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Solution

The fourth proportional to 77,747.14, 107,324.16 and 52,268.28 is: 72,152.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,747.14 : 107,324.16 = 52,268.28 : x
  2. Step 2: Convert to fraction form
    77,747.14/107,324.16 = 52,268.28/x
  3. Step 3: Cross multiply
    77,747.14x = 107,324.16 × 52,268.28
  4. Step 4: Simplify right side
    77,747.14x = 5,609,648,984.30
  5. Step 5: Solve for x
    x = 5,609,648,984.30/77,747.14
  6. Step 6: Final answer
    x = 72,152.48

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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.