Home / 91,710.20-126,586.32-54,006.32

Finding the Fourth Proportional to 91,710.20, 126,586.32 and 54,006.32

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Solution

The fourth proportional to 91,710.20, 126,586.32 and 54,006.32 is: 74,544.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,710.20 : 126,586.32 = 54,006.32 : x
  2. Step 2: Convert to fraction form
    91,710.20/126,586.32 = 54,006.32/x
  3. Step 3: Cross multiply
    91,710.20x = 126,586.32 × 54,006.32
  4. Step 4: Simplify right side
    91,710.20x = 6,836,461,305.54
  5. Step 5: Solve for x
    x = 6,836,461,305.54/91,710.20
  6. Step 6: Final answer
    x = 74,544.18

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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.