Home / 92,909.19-128,214.59-50,467.43

Finding the Fourth Proportional to 92,909.19, 128,214.59 and 50,467.43

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Solution

The fourth proportional to 92,909.19, 128,214.59 and 50,467.43 is: 69,644.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,909.19 : 128,214.59 = 50,467.43 : x
  2. Step 2: Convert to fraction form
    92,909.19/128,214.59 = 50,467.43/x
  3. Step 3: Cross multiply
    92,909.19x = 128,214.59 × 50,467.43
  4. Step 4: Simplify right side
    92,909.19x = 6,470,659,952.39
  5. Step 5: Solve for x
    x = 6,470,659,952.39/92,909.19
  6. Step 6: Final answer
    x = 69,644.99

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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.