Home / 103,176.01-142,379.94-62,875.06

Finding the Fourth Proportional to 103,176.01, 142,379.94 and 62,875.06

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Solution

The fourth proportional to 103,176.01, 142,379.94 and 62,875.06 is: 86,765.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,176.01 : 142,379.94 = 62,875.06 : x
  2. Step 2: Convert to fraction form
    103,176.01/142,379.94 = 62,875.06/x
  3. Step 3: Cross multiply
    103,176.01x = 142,379.94 × 62,875.06
  4. Step 4: Simplify right side
    103,176.01x = 8,952,147,270.30
  5. Step 5: Solve for x
    x = 8,952,147,270.30/103,176.01
  6. Step 6: Final answer
    x = 86,765.78

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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.