Home / 62,385.57-86,067.63-38,470.77

Finding the Fourth Proportional to 62,385.57, 86,067.63 and 38,470.77

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Solution

The fourth proportional to 62,385.57, 86,067.63 and 38,470.77 is: 53,074.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,385.57 : 86,067.63 = 38,470.77 : x
  2. Step 2: Convert to fraction form
    62,385.57/86,067.63 = 38,470.77/x
  3. Step 3: Cross multiply
    62,385.57x = 86,067.63 × 38,470.77
  4. Step 4: Simplify right side
    62,385.57x = 3,311,087,998.18
  5. Step 5: Solve for x
    x = 3,311,087,998.18/62,385.57
  6. Step 6: Final answer
    x = 53,074.58

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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.