Home / 115,576.45-159,506.81-70,251.01

Finding the Fourth Proportional to 115,576.45, 159,506.81 and 70,251.01

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Solution

The fourth proportional to 115,576.45, 159,506.81 and 70,251.01 is: 96,953.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,576.45 : 159,506.81 = 70,251.01 : x
  2. Step 2: Convert to fraction form
    115,576.45/159,506.81 = 70,251.01/x
  3. Step 3: Cross multiply
    115,576.45x = 159,506.81 × 70,251.01
  4. Step 4: Simplify right side
    115,576.45x = 11,205,513,882.47
  5. Step 5: Solve for x
    x = 11,205,513,882.47/115,576.45
  6. Step 6: Final answer
    x = 96,953.27

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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.