Home / 53,888.72-74,366.37-31,240.85

Finding the Fourth Proportional to 53,888.72, 74,366.37 and 31,240.85

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Solution

The fourth proportional to 53,888.72, 74,366.37 and 31,240.85 is: 43,112.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,888.72 : 74,366.37 = 31,240.85 : x
  2. Step 2: Convert to fraction form
    53,888.72/74,366.37 = 31,240.85/x
  3. Step 3: Cross multiply
    53,888.72x = 74,366.37 × 31,240.85
  4. Step 4: Simplify right side
    53,888.72x = 2,323,268,238.38
  5. Step 5: Solve for x
    x = 2,323,268,238.38/53,888.72
  6. Step 6: Final answer
    x = 43,112.33

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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.