Home / 53,109.12-73,294.72-29,240.32

Finding the Fourth Proportional to 53,109.12, 73,294.72 and 29,240.32

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Solution

The fourth proportional to 53,109.12, 73,294.72 and 29,240.32 is: 40,353.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,109.12 : 73,294.72 = 29,240.32 : x
  2. Step 2: Convert to fraction form
    53,109.12/73,294.72 = 29,240.32/x
  3. Step 3: Cross multiply
    53,109.12x = 73,294.72 × 29,240.32
  4. Step 4: Simplify right side
    53,109.12x = 2,143,161,067.11
  5. Step 5: Solve for x
    x = 2,143,161,067.11/53,109.12
  6. Step 6: Final answer
    x = 40,353.92

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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.