Home / 70,076.55-96,705.72-38,245.45

Finding the Fourth Proportional to 70,076.55, 96,705.72 and 38,245.45

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Solution

The fourth proportional to 70,076.55, 96,705.72 and 38,245.45 is: 52,778.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,076.55 : 96,705.72 = 38,245.45 : x
  2. Step 2: Convert to fraction form
    70,076.55/96,705.72 = 38,245.45/x
  3. Step 3: Cross multiply
    70,076.55x = 96,705.72 × 38,245.45
  4. Step 4: Simplify right side
    70,076.55x = 3,698,553,622.11
  5. Step 5: Solve for x
    x = 3,698,553,622.11/70,076.55
  6. Step 6: Final answer
    x = 52,778.76

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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.