Home / 99,731.05-137,611.92-59,444.08

Finding the Fourth Proportional to 99,731.05, 137,611.92 and 59,444.08

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Solution

The fourth proportional to 99,731.05, 137,611.92 and 59,444.08 is: 82,022.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,731.05 : 137,611.92 = 59,444.08 : x
  2. Step 2: Convert to fraction form
    99,731.05/137,611.92 = 59,444.08/x
  3. Step 3: Cross multiply
    99,731.05x = 137,611.92 × 59,444.08
  4. Step 4: Simplify right side
    99,731.05x = 8,180,213,981.43
  5. Step 5: Solve for x
    x = 8,180,213,981.43/99,731.05
  6. Step 6: Final answer
    x = 82,022.74

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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.