Home / 102,828.80-141,887.76-59,817.76

Finding the Fourth Proportional to 102,828.80, 141,887.76 and 59,817.76

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Solution

The fourth proportional to 102,828.80, 141,887.76 and 59,817.76 is: 82,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,828.80 : 141,887.76 = 59,817.76 : x
  2. Step 2: Convert to fraction form
    102,828.80/141,887.76 = 59,817.76/x
  3. Step 3: Cross multiply
    102,828.80x = 141,887.76 × 59,817.76
  4. Step 4: Simplify right side
    102,828.80x = 8,487,407,974.62
  5. Step 5: Solve for x
    x = 8,487,407,974.62/102,828.80
  6. Step 6: Final answer
    x = 82,539.21

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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.