Home / 77,292.50-106,673.09-47,082.26

Finding the Fourth Proportional to 77,292.50, 106,673.09 and 47,082.26

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Solution

The fourth proportional to 77,292.50, 106,673.09 and 47,082.26 is: 64,979.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,292.50 : 106,673.09 = 47,082.26 : x
  2. Step 2: Convert to fraction form
    77,292.50/106,673.09 = 47,082.26/x
  3. Step 3: Cross multiply
    77,292.50x = 106,673.09 × 47,082.26
  4. Step 4: Simplify right side
    77,292.50x = 5,022,410,189.65
  5. Step 5: Solve for x
    x = 5,022,410,189.65/77,292.50
  6. Step 6: Final answer
    x = 64,979.27

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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.