Home / 53,403.48-73,697.30-29,531.78

Finding the Fourth Proportional to 53,403.48, 73,697.30 and 29,531.78

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Solution

The fourth proportional to 53,403.48, 73,697.30 and 29,531.78 is: 40,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,403.48 : 73,697.30 = 29,531.78 : x
  2. Step 2: Convert to fraction form
    53,403.48/73,697.30 = 29,531.78/x
  3. Step 3: Cross multiply
    53,403.48x = 73,697.30 × 29,531.78
  4. Step 4: Simplify right side
    53,403.48x = 2,176,411,934.05
  5. Step 5: Solve for x
    x = 2,176,411,934.05/53,403.48
  6. Step 6: Final answer
    x = 40,754.12

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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.