Home / 96,720.03-133,479.57-54,278.57

Finding the Fourth Proportional to 96,720.03, 133,479.57 and 54,278.57

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Solution

The fourth proportional to 96,720.03, 133,479.57 and 54,278.57 is: 74,907.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,720.03 : 133,479.57 = 54,278.57 : x
  2. Step 2: Convert to fraction form
    96,720.03/133,479.57 = 54,278.57/x
  3. Step 3: Cross multiply
    96,720.03x = 133,479.57 × 54,278.57
  4. Step 4: Simplify right side
    96,720.03x = 7,245,079,245.02
  5. Step 5: Solve for x
    x = 7,245,079,245.02/96,720.03
  6. Step 6: Final answer
    x = 74,907.74

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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.