Home / 126,005.79-188,943.06-59,428.04

Finding the Fourth Proportional to 126,005.79, 188,943.06 and 59,428.04

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Solution

The fourth proportional to 126,005.79, 188,943.06 and 59,428.04 is: 89,111.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,005.79 : 188,943.06 = 59,428.04 : x
  2. Step 2: Convert to fraction form
    126,005.79/188,943.06 = 59,428.04/x
  3. Step 3: Cross multiply
    126,005.79x = 188,943.06 × 59,428.04
  4. Step 4: Simplify right side
    126,005.79x = 11,228,515,727.40
  5. Step 5: Solve for x
    x = 11,228,515,727.40/126,005.79
  6. Step 6: Final answer
    x = 89,111.11

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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.