Home / 91,041.87-136,562.82-59,869.83

Finding the Fourth Proportional to 91,041.87, 136,562.82 and 59,869.83

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Solution

The fourth proportional to 91,041.87, 136,562.82 and 59,869.83 is: 89,804.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,041.87 : 136,562.82 = 59,869.83 : x
  2. Step 2: Convert to fraction form
    91,041.87/136,562.82 = 59,869.83/x
  3. Step 3: Cross multiply
    91,041.87x = 136,562.82 × 59,869.83
  4. Step 4: Simplify right side
    91,041.87x = 8,175,992,817.72
  5. Step 5: Solve for x
    x = 8,175,992,817.72/91,041.87
  6. Step 6: Final answer
    x = 89,804.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.