Home / 92,816.15-128,086.35-50,374.68

Finding the Fourth Proportional to 92,816.15, 128,086.35 and 50,374.68

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Solution

The fourth proportional to 92,816.15, 128,086.35 and 50,374.68 is: 69,517.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,816.15 : 128,086.35 = 50,374.68 : x
  2. Step 2: Convert to fraction form
    92,816.15/128,086.35 = 50,374.68/x
  3. Step 3: Cross multiply
    92,816.15x = 128,086.35 × 50,374.68
  4. Step 4: Simplify right side
    92,816.15x = 6,452,308,641.74
  5. Step 5: Solve for x
    x = 6,452,308,641.74/92,816.15
  6. Step 6: Final answer
    x = 69,517.09

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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.