Home / 66,152.20-91,290.67-35,937.75

Finding the Fourth Proportional to 66,152.20, 91,290.67 and 35,937.75

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Solution

The fourth proportional to 66,152.20, 91,290.67 and 35,937.75 is: 49,594.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,152.20 : 91,290.67 = 35,937.75 : x
  2. Step 2: Convert to fraction form
    66,152.20/91,290.67 = 35,937.75/x
  3. Step 3: Cross multiply
    66,152.20x = 91,290.67 × 35,937.75
  4. Step 4: Simplify right side
    66,152.20x = 3,280,781,275.79
  5. Step 5: Solve for x
    x = 3,280,781,275.79/66,152.20
  6. Step 6: Final answer
    x = 49,594.44

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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.