Home / 115,550.61-159,458.73-64,572.14

Finding the Fourth Proportional to 115,550.61, 159,458.73 and 64,572.14

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Solution

The fourth proportional to 115,550.61, 159,458.73 and 64,572.14 is: 89,108.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,550.61 : 159,458.73 = 64,572.14 : x
  2. Step 2: Convert to fraction form
    115,550.61/159,458.73 = 64,572.14/x
  3. Step 3: Cross multiply
    115,550.61x = 159,458.73 × 64,572.14
  4. Step 4: Simplify right side
    115,550.61x = 10,296,590,640.49
  5. Step 5: Solve for x
    x = 10,296,590,640.49/115,550.61
  6. Step 6: Final answer
    x = 89,108.93

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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.