Home / 96,611.50-133,278.51-68,332.78

Finding the Fourth Proportional to 96,611.50, 133,278.51 and 68,332.78

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Solution

The fourth proportional to 96,611.50, 133,278.51 and 68,332.78 is: 94,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,611.50 : 133,278.51 = 68,332.78 : x
  2. Step 2: Convert to fraction form
    96,611.50/133,278.51 = 68,332.78/x
  3. Step 3: Cross multiply
    96,611.50x = 133,278.51 × 68,332.78
  4. Step 4: Simplify right side
    96,611.50x = 9,107,291,102.56
  5. Step 5: Solve for x
    x = 9,107,291,102.56/96,611.50
  6. Step 6: Final answer
    x = 94,267.15

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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.