Home / 96,720.39-133,474.14-54,278.91

Finding the Fourth Proportional to 96,720.39, 133,474.14 and 54,278.91

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Solution

The fourth proportional to 96,720.39, 133,474.14 and 54,278.91 is: 74,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,720.39 : 133,474.14 = 54,278.91 : x
  2. Step 2: Convert to fraction form
    96,720.39/133,474.14 = 54,278.91/x
  3. Step 3: Cross multiply
    96,720.39x = 133,474.14 × 54,278.91
  4. Step 4: Simplify right side
    96,720.39x = 7,244,830,832.39
  5. Step 5: Solve for x
    x = 7,244,830,832.39/96,720.39
  6. Step 6: Final answer
    x = 74,904.90

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1.5x scale

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.