Home / 104,990.10-157,373.74-51,606.79

Finding the Fourth Proportional to 104,990.10, 157,373.74 and 51,606.79

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Solution

The fourth proportional to 104,990.10, 157,373.74 and 51,606.79 is: 77,355.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,990.10 : 157,373.74 = 51,606.79 : x
  2. Step 2: Convert to fraction form
    104,990.10/157,373.74 = 51,606.79/x
  3. Step 3: Cross multiply
    104,990.10x = 157,373.74 × 51,606.79
  4. Step 4: Simplify right side
    104,990.10x = 8,121,553,551.69
  5. Step 5: Solve for x
    x = 8,121,553,551.69/104,990.10
  6. Step 6: Final answer
    x = 77,355.42

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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.