Home / 104,922.92-157,430.90-54,991.16

Finding the Fourth Proportional to 104,922.92, 157,430.90 and 54,991.16

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Solution

The fourth proportional to 104,922.92, 157,430.90 and 54,991.16 is: 82,511.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,922.92 : 157,430.90 = 54,991.16 : x
  2. Step 2: Convert to fraction form
    104,922.92/157,430.90 = 54,991.16/x
  3. Step 3: Cross multiply
    104,922.92x = 157,430.90 × 54,991.16
  4. Step 4: Simplify right side
    104,922.92x = 8,657,306,748.73
  5. Step 5: Solve for x
    x = 8,657,306,748.73/104,922.92
  6. Step 6: Final answer
    x = 82,511.12

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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.