Home / 77,043.29-106,350.57-50,208.80

Finding the Fourth Proportional to 77,043.29, 106,350.57 and 50,208.80

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Solution

The fourth proportional to 77,043.29, 106,350.57 and 50,208.80 is: 69,308.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,043.29 : 106,350.57 = 50,208.80 : x
  2. Step 2: Convert to fraction form
    77,043.29/106,350.57 = 50,208.80/x
  3. Step 3: Cross multiply
    77,043.29x = 106,350.57 × 50,208.80
  4. Step 4: Simplify right side
    77,043.29x = 5,339,733,967.26
  5. Step 5: Solve for x
    x = 5,339,733,967.26/77,043.29
  6. Step 6: Final answer
    x = 69,308.23

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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.