Home / 99,669.14-137,576.74-59,395.54

Finding the Fourth Proportional to 99,669.14, 137,576.74 and 59,395.54

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Solution

The fourth proportional to 99,669.14, 137,576.74 and 59,395.54 is: 81,985.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,669.14 : 137,576.74 = 59,395.54 : x
  2. Step 2: Convert to fraction form
    99,669.14/137,576.74 = 59,395.54/x
  3. Step 3: Cross multiply
    99,669.14x = 137,576.74 × 59,395.54
  4. Step 4: Simplify right side
    99,669.14x = 8,171,444,763.74
  5. Step 5: Solve for x
    x = 8,171,444,763.74/99,669.14
  6. Step 6: Final answer
    x = 81,985.71

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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.