Home / 91,822.59-137,438.61-47,388.83

Finding the Fourth Proportional to 91,822.59, 137,438.61 and 47,388.83

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Solution

The fourth proportional to 91,822.59, 137,438.61 and 47,388.83 is: 70,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,822.59 : 137,438.61 = 47,388.83 : x
  2. Step 2: Convert to fraction form
    91,822.59/137,438.61 = 47,388.83/x
  3. Step 3: Cross multiply
    91,822.59x = 137,438.61 × 47,388.83
  4. Step 4: Simplify right side
    91,822.59x = 6,513,054,237.53
  5. Step 5: Solve for x
    x = 6,513,054,237.53/91,822.59
  6. Step 6: Final answer
    x = 70,930.85

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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.