Home / 99,739.24-137,657.96-59,455.57

Finding the Fourth Proportional to 99,739.24, 137,657.96 and 59,455.57

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Solution

The fourth proportional to 99,739.24, 137,657.96 and 59,455.57 is: 82,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,739.24 : 137,657.96 = 59,455.57 : x
  2. Step 2: Convert to fraction form
    99,739.24/137,657.96 = 59,455.57/x
  3. Step 3: Cross multiply
    99,739.24x = 137,657.96 × 59,455.57
  4. Step 4: Simplify right side
    99,739.24x = 8,184,532,179.56
  5. Step 5: Solve for x
    x = 8,184,532,179.56/99,739.24
  6. Step 6: Final answer
    x = 82,059.30

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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.