Home / 70,853.46-97,782.20-39,022.35

Finding the Fourth Proportional to 70,853.46, 97,782.20 and 39,022.35

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Solution

The fourth proportional to 70,853.46, 97,782.20 and 39,022.35 is: 53,853.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,853.46 : 97,782.20 = 39,022.35 : x
  2. Step 2: Convert to fraction form
    70,853.46/97,782.20 = 39,022.35/x
  3. Step 3: Cross multiply
    70,853.46x = 97,782.20 × 39,022.35
  4. Step 4: Simplify right side
    70,853.46x = 3,815,691,366.73
  5. Step 5: Solve for x
    x = 3,815,691,366.73/70,853.46
  6. Step 6: Final answer
    x = 53,853.28

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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.