Home / 70,845.50-97,766.80-39,014.34

Finding the Fourth Proportional to 70,845.50, 97,766.80 and 39,014.34

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Solution

The fourth proportional to 70,845.50, 97,766.80 and 39,014.34 is: 53,839.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,845.50 : 97,766.80 = 39,014.34 : x
  2. Step 2: Convert to fraction form
    70,845.50/97,766.80 = 39,014.34/x
  3. Step 3: Cross multiply
    70,845.50x = 97,766.80 × 39,014.34
  4. Step 4: Simplify right side
    70,845.50x = 3,814,307,175.91
  5. Step 5: Solve for x
    x = 3,814,307,175.91/70,845.50
  6. Step 6: Final answer
    x = 53,839.79

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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.