Home / 70,454.06-97,227.96-38,621.06

Finding the Fourth Proportional to 70,454.06, 97,227.96 and 38,621.06

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Solution

The fourth proportional to 70,454.06, 97,227.96 and 38,621.06 is: 53,297.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,454.06 : 97,227.96 = 38,621.06 : x
  2. Step 2: Convert to fraction form
    70,454.06/97,227.96 = 38,621.06/x
  3. Step 3: Cross multiply
    70,454.06x = 97,227.96 × 38,621.06
  4. Step 4: Simplify right side
    70,454.06x = 3,755,046,827.72
  5. Step 5: Solve for x
    x = 3,755,046,827.72/70,454.06
  6. Step 6: Final answer
    x = 53,297.81

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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.