Home / 70,941.78-97,896.66-38,675.70

Finding the Fourth Proportional to 70,941.78, 97,896.66 and 38,675.70

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Solution

The fourth proportional to 70,941.78, 97,896.66 and 38,675.70 is: 53,370.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,941.78 : 97,896.66 = 38,675.70 : x
  2. Step 2: Convert to fraction form
    70,941.78/97,896.66 = 38,675.70/x
  3. Step 3: Cross multiply
    70,941.78x = 97,896.66 × 38,675.70
  4. Step 4: Simplify right side
    70,941.78x = 3,786,221,853.16
  5. Step 5: Solve for x
    x = 3,786,221,853.16/70,941.78
  6. Step 6: Final answer
    x = 53,370.83

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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.