Home / 96,988.30-133,823.80-56,694.27

Finding the Fourth Proportional to 96,988.30, 133,823.80 and 56,694.27

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Solution

The fourth proportional to 96,988.30, 133,823.80 and 56,694.27 is: 78,226.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,988.30 : 133,823.80 = 56,694.27 : x
  2. Step 2: Convert to fraction form
    96,988.30/133,823.80 = 56,694.27/x
  3. Step 3: Cross multiply
    96,988.30x = 133,823.80 × 56,694.27
  4. Step 4: Simplify right side
    96,988.30x = 7,587,042,649.63
  5. Step 5: Solve for x
    x = 7,587,042,649.63/96,988.30
  6. Step 6: Final answer
    x = 78,226.37

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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.