Home / 70,449.21-97,221.09-38,184.85

Finding the Fourth Proportional to 70,449.21, 97,221.09 and 38,184.85

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Solution

The fourth proportional to 70,449.21, 97,221.09 and 38,184.85 is: 52,695.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,449.21 : 97,221.09 = 38,184.85 : x
  2. Step 2: Convert to fraction form
    70,449.21/97,221.09 = 38,184.85/x
  3. Step 3: Cross multiply
    70,449.21x = 97,221.09 × 38,184.85
  4. Step 4: Simplify right side
    70,449.21x = 3,712,373,003.21
  5. Step 5: Solve for x
    x = 3,712,373,003.21/70,449.21
  6. Step 6: Final answer
    x = 52,695.74

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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.