Home / 73,498.32-110,160-51,190.92

Finding the Fourth Proportional to 73,498.32, 110,160 and 51,190.92

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Solution

The fourth proportional to 73,498.32, 110,160 and 51,190.92 is: 76,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,498.32 : 110,160 = 51,190.92 : x
  2. Step 2: Convert to fraction form
    73,498.32/110,160 = 51,190.92/x
  3. Step 3: Cross multiply
    73,498.32x = 110,160 × 51,190.92
  4. Step 4: Simplify right side
    73,498.32x = 5,639,191,747.20
  5. Step 5: Solve for x
    x = 5,639,191,747.20/73,498.32
  6. Step 6: Final answer
    x = 76,725.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.