Home / 70,434.78-97,195.59-38,601.42

Finding the Fourth Proportional to 70,434.78, 97,195.59 and 38,601.42

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Solution

The fourth proportional to 70,434.78, 97,195.59 and 38,601.42 is: 53,267.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,434.78 : 97,195.59 = 38,601.42 : x
  2. Step 2: Convert to fraction form
    70,434.78/97,195.59 = 38,601.42/x
  3. Step 3: Cross multiply
    70,434.78x = 97,195.59 × 38,601.42
  4. Step 4: Simplify right side
    70,434.78x = 3,751,887,791.74
  5. Step 5: Solve for x
    x = 3,751,887,791.74/70,434.78
  6. Step 6: Final answer
    x = 53,267.54

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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.