Home / 102,062.32-153,163.13-35,501.78

Finding the Fourth Proportional to 102,062.32, 153,163.13 and 35,501.78

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Solution

The fourth proportional to 102,062.32, 153,163.13 and 35,501.78 is: 53,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,062.32 : 153,163.13 = 35,501.78 : x
  2. Step 2: Convert to fraction form
    102,062.32/153,163.13 = 35,501.78/x
  3. Step 3: Cross multiply
    102,062.32x = 153,163.13 × 35,501.78
  4. Step 4: Simplify right side
    102,062.32x = 5,437,563,745.37
  5. Step 5: Solve for x
    x = 5,437,563,745.37/102,062.32
  6. Step 6: Final answer
    x = 53,276.90

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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.