Home / 99,936.50-137,914.07-59,642.43

Finding the Fourth Proportional to 99,936.50, 137,914.07 and 59,642.43

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Solution

The fourth proportional to 99,936.50, 137,914.07 and 59,642.43 is: 82,307.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,936.50 : 137,914.07 = 59,642.43 : x
  2. Step 2: Convert to fraction form
    99,936.50/137,914.07 = 59,642.43/x
  3. Step 3: Cross multiply
    99,936.50x = 137,914.07 × 59,642.43
  4. Step 4: Simplify right side
    99,936.50x = 8,225,529,967.78
  5. Step 5: Solve for x
    x = 8,225,529,967.78/99,936.50
  6. Step 6: Final answer
    x = 82,307.57

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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.