Home / 91,803.28-137,594.16-47,405.82

Finding the Fourth Proportional to 91,803.28, 137,594.16 and 47,405.82

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Solution

The fourth proportional to 91,803.28, 137,594.16 and 47,405.82 is: 71,051.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,803.28 : 137,594.16 = 47,405.82 : x
  2. Step 2: Convert to fraction form
    91,803.28/137,594.16 = 47,405.82/x
  3. Step 3: Cross multiply
    91,803.28x = 137,594.16 × 47,405.82
  4. Step 4: Simplify right side
    91,803.28x = 6,522,763,982.01
  5. Step 5: Solve for x
    x = 6,522,763,982.01/91,803.28
  6. Step 6: Final answer
    x = 71,051.54

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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.