Home / 115,433.92-159,302.24-70,696.64

Finding the Fourth Proportional to 115,433.92, 159,302.24 and 70,696.64

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Solution

The fourth proportional to 115,433.92, 159,302.24 and 70,696.64 is: 97,563.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,433.92 : 159,302.24 = 70,696.64 : x
  2. Step 2: Convert to fraction form
    115,433.92/159,302.24 = 70,696.64/x
  3. Step 3: Cross multiply
    115,433.92x = 159,302.24 × 70,696.64
  4. Step 4: Simplify right side
    115,433.92x = 11,262,133,112.47
  5. Step 5: Solve for x
    x = 11,262,133,112.47/115,433.92
  6. Step 6: Final answer
    x = 97,563.46

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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.