Home / 53,228.52-73,394.64-39,777.12

Finding the Fourth Proportional to 53,228.52, 73,394.64 and 39,777.12

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Solution

The fourth proportional to 53,228.52, 73,394.64 and 39,777.12 is: 54,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,228.52 : 73,394.64 = 39,777.12 : x
  2. Step 2: Convert to fraction form
    53,228.52/73,394.64 = 39,777.12/x
  3. Step 3: Cross multiply
    53,228.52x = 73,394.64 × 39,777.12
  4. Step 4: Simplify right side
    53,228.52x = 2,919,427,402.64
  5. Step 5: Solve for x
    x = 2,919,427,402.64/53,228.52
  6. Step 6: Final answer
    x = 54,847.05

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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.