Home / 64,950.24-89,651.72-38,103.60

Finding the Fourth Proportional to 64,950.24, 89,651.72 and 38,103.60

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Solution

The fourth proportional to 64,950.24, 89,651.72 and 38,103.60 is: 52,594.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,950.24 : 89,651.72 = 38,103.60 : x
  2. Step 2: Convert to fraction form
    64,950.24/89,651.72 = 38,103.60/x
  3. Step 3: Cross multiply
    64,950.24x = 89,651.72 × 38,103.60
  4. Step 4: Simplify right side
    64,950.24x = 3,416,053,087.67
  5. Step 5: Solve for x
    x = 3,416,053,087.67/64,950.24
  6. Step 6: Final answer
    x = 52,594.93

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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.