Home / 90,766.74-125,240.16-54,960.08

Finding the Fourth Proportional to 90,766.74, 125,240.16 and 54,960.08

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Solution

The fourth proportional to 90,766.74, 125,240.16 and 54,960.08 is: 75,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,766.74 : 125,240.16 = 54,960.08 : x
  2. Step 2: Convert to fraction form
    90,766.74/125,240.16 = 54,960.08/x
  3. Step 3: Cross multiply
    90,766.74x = 125,240.16 × 54,960.08
  4. Step 4: Simplify right side
    90,766.74x = 6,883,209,212.81
  5. Step 5: Solve for x
    x = 6,883,209,212.81/90,766.74
  6. Step 6: Final answer
    x = 75,834.05

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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.