Home / 70,463.18-97,238.94-38,198.72

Finding the Fourth Proportional to 70,463.18, 97,238.94 and 38,198.72

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Solution

The fourth proportional to 70,463.18, 97,238.94 and 38,198.72 is: 52,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,463.18 : 97,238.94 = 38,198.72 : x
  2. Step 2: Convert to fraction form
    70,463.18/97,238.94 = 38,198.72/x
  3. Step 3: Cross multiply
    70,463.18x = 97,238.94 × 38,198.72
  4. Step 4: Simplify right side
    70,463.18x = 3,714,403,042.16
  5. Step 5: Solve for x
    x = 3,714,403,042.16/70,463.18
  6. Step 6: Final answer
    x = 52,714.10

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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.