Home / 125,096.31-187,663.91-42,009.75

Finding the Fourth Proportional to 125,096.31, 187,663.91 and 42,009.75

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Solution

The fourth proportional to 125,096.31, 187,663.91 and 42,009.75 is: 63,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,096.31 : 187,663.91 = 42,009.75 : x
  2. Step 2: Convert to fraction form
    125,096.31/187,663.91 = 42,009.75/x
  3. Step 3: Cross multiply
    125,096.31x = 187,663.91 × 42,009.75
  4. Step 4: Simplify right side
    125,096.31x = 7,883,713,943.12
  5. Step 5: Solve for x
    x = 7,883,713,943.12/125,096.31
  6. Step 6: Final answer
    x = 63,021.16

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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.