Home / 53,631.52-73,985.76-39,268.72

Finding the Fourth Proportional to 53,631.52, 73,985.76 and 39,268.72

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Solution

The fourth proportional to 53,631.52, 73,985.76 and 39,268.72 is: 54,171.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,631.52 : 73,985.76 = 39,268.72 : x
  2. Step 2: Convert to fraction form
    53,631.52/73,985.76 = 39,268.72/x
  3. Step 3: Cross multiply
    53,631.52x = 73,985.76 × 39,268.72
  4. Step 4: Simplify right side
    53,631.52x = 2,905,326,093.43
  5. Step 5: Solve for x
    x = 2,905,326,093.43/53,631.52
  6. Step 6: Final answer
    x = 54,171.99

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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.