Home / 90,797.31-125,285.85-50,510.97

Finding the Fourth Proportional to 90,797.31, 125,285.85 and 50,510.97

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Solution

The fourth proportional to 90,797.31, 125,285.85 and 50,510.97 is: 69,697.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,797.31 : 125,285.85 = 50,510.97 : x
  2. Step 2: Convert to fraction form
    90,797.31/125,285.85 = 50,510.97/x
  3. Step 3: Cross multiply
    90,797.31x = 125,285.85 × 50,510.97
  4. Step 4: Simplify right side
    90,797.31x = 6,328,309,810.77
  5. Step 5: Solve for x
    x = 6,328,309,810.77/90,797.31
  6. Step 6: Final answer
    x = 69,697.11

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1.5x scale

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.