Home / 66,217.50-91,380.15-37,925.01

Finding the Fourth Proportional to 66,217.50, 91,380.15 and 37,925.01

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Solution

The fourth proportional to 66,217.50, 91,380.15 and 37,925.01 is: 52,336.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,217.50 : 91,380.15 = 37,925.01 : x
  2. Step 2: Convert to fraction form
    66,217.50/91,380.15 = 37,925.01/x
  3. Step 3: Cross multiply
    66,217.50x = 91,380.15 × 37,925.01
  4. Step 4: Simplify right side
    66,217.50x = 3,465,593,102.55
  5. Step 5: Solve for x
    x = 3,465,593,102.55/66,217.50
  6. Step 6: Final answer
    x = 52,336.51

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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.