Home / 53,904.84-74,388.74-31,248.20

Finding the Fourth Proportional to 53,904.84, 74,388.74 and 31,248.20

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Solution

The fourth proportional to 53,904.84, 74,388.74 and 31,248.20 is: 43,122.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,904.84 : 74,388.74 = 31,248.20 : x
  2. Step 2: Convert to fraction form
    53,904.84/74,388.74 = 31,248.20/x
  3. Step 3: Cross multiply
    53,904.84x = 74,388.74 × 31,248.20
  4. Step 4: Simplify right side
    53,904.84x = 2,324,514,225.27
  5. Step 5: Solve for x
    x = 2,324,514,225.27/53,904.84
  6. Step 6: Final answer
    x = 43,122.55

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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.