Home / 70,705.41-97,575.20-38,874.31

Finding the Fourth Proportional to 70,705.41, 97,575.20 and 38,874.31

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Solution

The fourth proportional to 70,705.41, 97,575.20 and 38,874.31 is: 53,647.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,705.41 : 97,575.20 = 38,874.31 : x
  2. Step 2: Convert to fraction form
    70,705.41/97,575.20 = 38,874.31/x
  3. Step 3: Cross multiply
    70,705.41x = 97,575.20 × 38,874.31
  4. Step 4: Simplify right side
    70,705.41x = 3,793,168,829.44
  5. Step 5: Solve for x
    x = 3,793,168,829.44/70,705.41
  6. Step 6: Final answer
    x = 53,647.50

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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.