Home / 77,157.12-106,500.72-44,901.36

Finding the Fourth Proportional to 77,157.12, 106,500.72 and 44,901.36

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Solution

The fourth proportional to 77,157.12, 106,500.72 and 44,901.36 is: 61,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,157.12 : 106,500.72 = 44,901.36 : x
  2. Step 2: Convert to fraction form
    77,157.12/106,500.72 = 44,901.36/x
  3. Step 3: Cross multiply
    77,157.12x = 106,500.72 × 44,901.36
  4. Step 4: Simplify right side
    77,157.12x = 4,782,027,168.98
  5. Step 5: Solve for x
    x = 4,782,027,168.98/77,157.12
  6. Step 6: Final answer
    x = 61,977.78

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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.