Home / 53,987.52-74,499.56-31,324.76

Finding the Fourth Proportional to 53,987.52, 74,499.56 and 31,324.76

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Solution

The fourth proportional to 53,987.52, 74,499.56 and 31,324.76 is: 43,226.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,987.52 : 74,499.56 = 31,324.76 : x
  2. Step 2: Convert to fraction form
    53,987.52/74,499.56 = 31,324.76/x
  3. Step 3: Cross multiply
    53,987.52x = 74,499.56 × 31,324.76
  4. Step 4: Simplify right side
    53,987.52x = 2,333,680,837.11
  5. Step 5: Solve for x
    x = 2,333,680,837.11/53,987.52
  6. Step 6: Final answer
    x = 43,226.30

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Similar ratio
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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.