Home / 50,988.56-70,335.88-47,380.32

Finding the Fourth Proportional to 50,988.56, 70,335.88 and 47,380.32

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Solution

The fourth proportional to 50,988.56, 70,335.88 and 47,380.32 is: 65,358.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,988.56 : 70,335.88 = 47,380.32 : x
  2. Step 2: Convert to fraction form
    50,988.56/70,335.88 = 47,380.32/x
  3. Step 3: Cross multiply
    50,988.56x = 70,335.88 × 47,380.32
  4. Step 4: Simplify right side
    50,988.56x = 3,332,536,501.88
  5. Step 5: Solve for x
    x = 3,332,536,501.88/50,988.56
  6. Step 6: Final answer
    x = 65,358.51

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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.