Home / 115,501.66-159,383.28-67,095.57

Finding the Fourth Proportional to 115,501.66, 159,383.28 and 67,095.57

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Solution

The fourth proportional to 115,501.66, 159,383.28 and 67,095.57 is: 92,586.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,501.66 : 159,383.28 = 67,095.57 : x
  2. Step 2: Convert to fraction form
    115,501.66/159,383.28 = 67,095.57/x
  3. Step 3: Cross multiply
    115,501.66x = 159,383.28 × 67,095.57
  4. Step 4: Simplify right side
    115,501.66x = 10,693,912,020.07
  5. Step 5: Solve for x
    x = 10,693,912,020.07/115,501.66
  6. Step 6: Final answer
    x = 92,586.65

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1.5x scale

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.