Home / 53,178.53-73,386.86-29,306.06

Finding the Fourth Proportional to 53,178.53, 73,386.86 and 29,306.06

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Solution

The fourth proportional to 53,178.53, 73,386.86 and 29,306.06 is: 40,442.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,178.53 : 73,386.86 = 29,306.06 : x
  2. Step 2: Convert to fraction form
    53,178.53/73,386.86 = 29,306.06/x
  3. Step 3: Cross multiply
    53,178.53x = 73,386.86 × 29,306.06
  4. Step 4: Simplify right side
    53,178.53x = 2,150,679,208.91
  5. Step 5: Solve for x
    x = 2,150,679,208.91/53,178.53
  6. Step 6: Final answer
    x = 40,442.63

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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.