Home / 54,564.18-75,297.84-30,690.86

Finding the Fourth Proportional to 54,564.18, 75,297.84 and 30,690.86

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Solution

The fourth proportional to 54,564.18, 75,297.84 and 30,690.86 is: 42,352.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,564.18 : 75,297.84 = 30,690.86 : x
  2. Step 2: Convert to fraction form
    54,564.18/75,297.84 = 30,690.86/x
  3. Step 3: Cross multiply
    54,564.18x = 75,297.84 × 30,690.86
  4. Step 4: Simplify right side
    54,564.18x = 2,310,955,465.74
  5. Step 5: Solve for x
    x = 2,310,955,465.74/54,564.18
  6. Step 6: Final answer
    x = 42,352.98

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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.