Home / 91,634.59-126,464.66-51,355.18

Finding the Fourth Proportional to 91,634.59, 126,464.66 and 51,355.18

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Solution

The fourth proportional to 91,634.59, 126,464.66 and 51,355.18 is: 70,875.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,634.59 : 126,464.66 = 51,355.18 : x
  2. Step 2: Convert to fraction form
    91,634.59/126,464.66 = 51,355.18/x
  3. Step 3: Cross multiply
    91,634.59x = 126,464.66 × 51,355.18
  4. Step 4: Simplify right side
    91,634.59x = 6,494,615,377.94
  5. Step 5: Solve for x
    x = 6,494,615,377.94/91,634.59
  6. Step 6: Final answer
    x = 70,875.15

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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.