Home / 53,712.03-74,118.88-31,033.25

Finding the Fourth Proportional to 53,712.03, 74,118.88 and 31,033.25

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Solution

The fourth proportional to 53,712.03, 74,118.88 and 31,033.25 is: 42,823.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,712.03 : 74,118.88 = 31,033.25 : x
  2. Step 2: Convert to fraction form
    53,712.03/74,118.88 = 31,033.25/x
  3. Step 3: Cross multiply
    53,712.03x = 74,118.88 × 31,033.25
  4. Step 4: Simplify right side
    53,712.03x = 2,300,149,732.76
  5. Step 5: Solve for x
    x = 2,300,149,732.76/53,712.03
  6. Step 6: Final answer
    x = 42,823.73

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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.