Home / 99,811.96-137,758.26-59,528.44

Finding the Fourth Proportional to 99,811.96, 137,758.26 and 59,528.44

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Solution

The fourth proportional to 99,811.96, 137,758.26 and 59,528.44 is: 82,159.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,811.96 : 137,758.26 = 59,528.44 : x
  2. Step 2: Convert to fraction form
    99,811.96/137,758.26 = 59,528.44/x
  3. Step 3: Cross multiply
    99,811.96x = 137,758.26 × 59,528.44
  4. Step 4: Simplify right side
    99,811.96x = 8,200,534,314.91
  5. Step 5: Solve for x
    x = 8,200,534,314.91/99,811.96
  6. Step 6: Final answer
    x = 82,159.84

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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.