Home / 54,334.68-74,985.47-30,462.90

Finding the Fourth Proportional to 54,334.68, 74,985.47 and 30,462.90

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Solution

The fourth proportional to 54,334.68, 74,985.47 and 30,462.90 is: 42,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,334.68 : 74,985.47 = 30,462.90 : x
  2. Step 2: Convert to fraction form
    54,334.68/74,985.47 = 30,462.90/x
  3. Step 3: Cross multiply
    54,334.68x = 74,985.47 × 30,462.90
  4. Step 4: Simplify right side
    54,334.68x = 2,284,274,721.75
  5. Step 5: Solve for x
    x = 2,284,274,721.75/54,334.68
  6. Step 6: Final answer
    x = 42,040.82

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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.