Home / 70,853.40-97,778.34-39,023.04

Finding the Fourth Proportional to 70,853.40, 97,778.34 and 39,023.04

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Solution

The fourth proportional to 70,853.40, 97,778.34 and 39,023.04 is: 53,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,853.40 : 97,778.34 = 39,023.04 : x
  2. Step 2: Convert to fraction form
    70,853.40/97,778.34 = 39,023.04/x
  3. Step 3: Cross multiply
    70,853.40x = 97,778.34 × 39,023.04
  4. Step 4: Simplify right side
    70,853.40x = 3,815,608,072.95
  5. Step 5: Solve for x
    x = 3,815,608,072.95/70,853.40
  6. Step 6: Final answer
    x = 53,852.15

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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.