Home / 53,981.27-74,494.28-30,109.49

Finding the Fourth Proportional to 53,981.27, 74,494.28 and 30,109.49

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Solution

The fourth proportional to 53,981.27, 74,494.28 and 30,109.49 is: 41,551.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,981.27 : 74,494.28 = 30,109.49 : x
  2. Step 2: Convert to fraction form
    53,981.27/74,494.28 = 30,109.49/x
  3. Step 3: Cross multiply
    53,981.27x = 74,494.28 × 30,109.49
  4. Step 4: Simplify right side
    53,981.27x = 2,242,984,255.70
  5. Step 5: Solve for x
    x = 2,242,984,255.70/53,981.27
  6. Step 6: Final answer
    x = 41,551.16

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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.