Home / 101,901.36-152,870.04-31,763.28

Finding the Fourth Proportional to 101,901.36, 152,870.04 and 31,763.28

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Solution

The fourth proportional to 101,901.36, 152,870.04 and 31,763.28 is: 47,650.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,901.36 : 152,870.04 = 31,763.28 : x
  2. Step 2: Convert to fraction form
    101,901.36/152,870.04 = 31,763.28/x
  3. Step 3: Cross multiply
    101,901.36x = 152,870.04 × 31,763.28
  4. Step 4: Simplify right side
    101,901.36x = 4,855,653,884.13
  5. Step 5: Solve for x
    x = 4,855,653,884.13/101,901.36
  6. Step 6: Final answer
    x = 47,650.53

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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.