Home / 91,288.92-125,977.44-51,006.60

Finding the Fourth Proportional to 91,288.92, 125,977.44 and 51,006.60

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Solution

The fourth proportional to 91,288.92, 125,977.44 and 51,006.60 is: 70,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,288.92 : 125,977.44 = 51,006.60 : x
  2. Step 2: Convert to fraction form
    91,288.92/125,977.44 = 51,006.60/x
  3. Step 3: Cross multiply
    91,288.92x = 125,977.44 × 51,006.60
  4. Step 4: Simplify right side
    91,288.92x = 6,425,680,891.10
  5. Step 5: Solve for x
    x = 6,425,680,891.10/91,288.92
  6. Step 6: Final answer
    x = 70,388.40

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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.