Home / 81,907.47-122,703.63-50,225.05

Finding the Fourth Proportional to 81,907.47, 122,703.63 and 50,225.05

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Solution

The fourth proportional to 81,907.47, 122,703.63 and 50,225.05 is: 75,240.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,907.47 : 122,703.63 = 50,225.05 : x
  2. Step 2: Convert to fraction form
    81,907.47/122,703.63 = 50,225.05/x
  3. Step 3: Cross multiply
    81,907.47x = 122,703.63 × 50,225.05
  4. Step 4: Simplify right side
    81,907.47x = 6,162,795,916.97
  5. Step 5: Solve for x
    x = 6,162,795,916.97/81,907.47
  6. Step 6: Final answer
    x = 75,240.95

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1.5x scale

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.