Home / 112,945.65-169,363.98-65,572.65

Finding the Fourth Proportional to 112,945.65, 169,363.98 and 65,572.65

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Solution

The fourth proportional to 112,945.65, 169,363.98 and 65,572.65 is: 98,327.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,945.65 : 169,363.98 = 65,572.65 : x
  2. Step 2: Convert to fraction form
    112,945.65/169,363.98 = 65,572.65/x
  3. Step 3: Cross multiply
    112,945.65x = 169,363.98 × 65,572.65
  4. Step 4: Simplify right side
    112,945.65x = 11,105,644,983.15
  5. Step 5: Solve for x
    x = 11,105,644,983.15/112,945.65
  6. Step 6: Final answer
    x = 98,327.34

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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.