Home / 53,490.13-73,820.53-29,619.02

Finding the Fourth Proportional to 53,490.13, 73,820.53 and 29,619.02

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Solution

The fourth proportional to 53,490.13, 73,820.53 and 29,619.02 is: 40,876.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,490.13 : 73,820.53 = 29,619.02 : x
  2. Step 2: Convert to fraction form
    53,490.13/73,820.53 = 29,619.02/x
  3. Step 3: Cross multiply
    53,490.13x = 73,820.53 × 29,619.02
  4. Step 4: Simplify right side
    53,490.13x = 2,186,491,976.06
  5. Step 5: Solve for x
    x = 2,186,491,976.06/53,490.13
  6. Step 6: Final answer
    x = 40,876.55

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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.