Home / 96,431.32-133,087.83-56,145.76

Finding the Fourth Proportional to 96,431.32, 133,087.83 and 56,145.76

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Solution

The fourth proportional to 96,431.32, 133,087.83 and 56,145.76 is: 77,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,431.32 : 133,087.83 = 56,145.76 : x
  2. Step 2: Convert to fraction form
    96,431.32/133,087.83 = 56,145.76/x
  3. Step 3: Cross multiply
    96,431.32x = 133,087.83 × 56,145.76
  4. Step 4: Simplify right side
    96,431.32x = 7,472,317,292.56
  5. Step 5: Solve for x
    x = 7,472,317,292.56/96,431.32
  6. Step 6: Final answer
    x = 77,488.49

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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.