Home / 99,606.08-137,476.78-59,343.42

Finding the Fourth Proportional to 99,606.08, 137,476.78 and 59,343.42

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Solution

The fourth proportional to 99,606.08, 137,476.78 and 59,343.42 is: 81,906.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,606.08 : 137,476.78 = 59,343.42 : x
  2. Step 2: Convert to fraction form
    99,606.08/137,476.78 = 59,343.42/x
  3. Step 3: Cross multiply
    99,606.08x = 137,476.78 × 59,343.42
  4. Step 4: Simplify right side
    99,606.08x = 8,158,342,295.79
  5. Step 5: Solve for x
    x = 8,158,342,295.79/99,606.08
  6. Step 6: Final answer
    x = 81,906.07

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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.