Home / 87,409.23-131,114-37,456.93

Finding the Fourth Proportional to 87,409.23, 131,114 and 37,456.93

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Solution

The fourth proportional to 87,409.23, 131,114 and 37,456.93 is: 56,185.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,409.23 : 131,114 = 37,456.93 : x
  2. Step 2: Convert to fraction form
    87,409.23/131,114 = 37,456.93/x
  3. Step 3: Cross multiply
    87,409.23x = 131,114 × 37,456.93
  4. Step 4: Simplify right side
    87,409.23x = 4,911,127,920.02
  5. Step 5: Solve for x
    x = 4,911,127,920.02/87,409.23
  6. Step 6: Final answer
    x = 56,185.46

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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.