Home / 53,212.59-73,446.17-31,987.75

Finding the Fourth Proportional to 53,212.59, 73,446.17 and 31,987.75

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Solution

The fourth proportional to 53,212.59, 73,446.17 and 31,987.75 is: 44,150.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,212.59 : 73,446.17 = 31,987.75 : x
  2. Step 2: Convert to fraction form
    53,212.59/73,446.17 = 31,987.75/x
  3. Step 3: Cross multiply
    53,212.59x = 73,446.17 × 31,987.75
  4. Step 4: Simplify right side
    53,212.59x = 2,349,377,724.42
  5. Step 5: Solve for x
    x = 2,349,377,724.42/53,212.59
  6. Step 6: Final answer
    x = 44,150.79

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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.