Home / 96,611.73-133,383.29-76,549.65

Finding the Fourth Proportional to 96,611.73, 133,383.29 and 76,549.65

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Solution

The fourth proportional to 96,611.73, 133,383.29 and 76,549.65 is: 105,685.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,611.73 : 133,383.29 = 76,549.65 : x
  2. Step 2: Convert to fraction form
    96,611.73/133,383.29 = 76,549.65/x
  3. Step 3: Cross multiply
    96,611.73x = 133,383.29 × 76,549.65
  4. Step 4: Simplify right side
    96,611.73x = 10,210,443,782.60
  5. Step 5: Solve for x
    x = 10,210,443,782.60/96,611.73
  6. Step 6: Final answer
    x = 105,685.34

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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.