Home / 99,776.86-137,709.64-59,493.10

Finding the Fourth Proportional to 99,776.86, 137,709.64 and 59,493.10

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Solution

The fourth proportional to 99,776.86, 137,709.64 and 59,493.10 is: 82,110.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,776.86 : 137,709.64 = 59,493.10 : x
  2. Step 2: Convert to fraction form
    99,776.86/137,709.64 = 59,493.10/x
  3. Step 3: Cross multiply
    99,776.86x = 137,709.64 × 59,493.10
  4. Step 4: Simplify right side
    99,776.86x = 8,192,773,383.48
  5. Step 5: Solve for x
    x = 8,192,773,383.48/99,776.86
  6. Step 6: Final answer
    x = 82,110.96

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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.