Home / 64,710.97-89,317.77-50,367.49

Finding the Fourth Proportional to 64,710.97, 89,317.77 and 50,367.49

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Solution

The fourth proportional to 64,710.97, 89,317.77 and 50,367.49 is: 69,520.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,710.97 : 89,317.77 = 50,367.49 : x
  2. Step 2: Convert to fraction form
    64,710.97/89,317.77 = 50,367.49/x
  3. Step 3: Cross multiply
    64,710.97x = 89,317.77 × 50,367.49
  4. Step 4: Simplify right side
    64,710.97x = 4,498,711,887.30
  5. Step 5: Solve for x
    x = 4,498,711,887.30/64,710.97
  6. Step 6: Final answer
    x = 69,520.08

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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.