Home / 99,741.37-137,624.29-59,458.88

Finding the Fourth Proportional to 99,741.37, 137,624.29 and 59,458.88

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Solution

The fourth proportional to 99,741.37, 137,624.29 and 59,458.88 is: 82,042.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,741.37 : 137,624.29 = 59,458.88 : x
  2. Step 2: Convert to fraction form
    99,741.37/137,624.29 = 59,458.88/x
  3. Step 3: Cross multiply
    99,741.37x = 137,624.29 × 59,458.88
  4. Step 4: Simplify right side
    99,741.37x = 8,182,986,144.20
  5. Step 5: Solve for x
    x = 8,182,986,144.20/99,741.37
  6. Step 6: Final answer
    x = 82,042.05

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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.