Home / 97,090.45-133,957.76-62,620.60

Finding the Fourth Proportional to 97,090.45, 133,957.76 and 62,620.60

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Solution

The fourth proportional to 97,090.45, 133,957.76 and 62,620.60 is: 86,398.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,090.45 : 133,957.76 = 62,620.60 : x
  2. Step 2: Convert to fraction form
    97,090.45/133,957.76 = 62,620.60/x
  3. Step 3: Cross multiply
    97,090.45x = 133,957.76 × 62,620.60
  4. Step 4: Simplify right side
    97,090.45x = 8,388,514,992.75
  5. Step 5: Solve for x
    x = 8,388,514,992.75/97,090.45
  6. Step 6: Final answer
    x = 86,398.97

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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.