Home / 53,789.75-74,228.54-31,125.60

Finding the Fourth Proportional to 53,789.75, 74,228.54 and 31,125.60

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Solution

The fourth proportional to 53,789.75, 74,228.54 and 31,125.60 is: 42,952.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,789.75 : 74,228.54 = 31,125.60 : x
  2. Step 2: Convert to fraction form
    53,789.75/74,228.54 = 31,125.60/x
  3. Step 3: Cross multiply
    53,789.75x = 74,228.54 × 31,125.60
  4. Step 4: Simplify right side
    53,789.75x = 2,310,407,922.44
  5. Step 5: Solve for x
    x = 2,310,407,922.44/53,789.75
  6. Step 6: Final answer
    x = 42,952.57

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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.