Home / 96,680.80-145,015.50-57,487.36

Finding the Fourth Proportional to 96,680.80, 145,015.50 and 57,487.36

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Solution

The fourth proportional to 96,680.80, 145,015.50 and 57,487.36 is: 86,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,680.80 : 145,015.50 = 57,487.36 : x
  2. Step 2: Convert to fraction form
    96,680.80/145,015.50 = 57,487.36/x
  3. Step 3: Cross multiply
    96,680.80x = 145,015.50 × 57,487.36
  4. Step 4: Simplify right side
    96,680.80x = 8,336,558,254.08
  5. Step 5: Solve for x
    x = 8,336,558,254.08/96,680.80
  6. Step 6: Final answer
    x = 86,227.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.