Home / 70,102.85-96,738.27-38,265.60

Finding the Fourth Proportional to 70,102.85, 96,738.27 and 38,265.60

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Solution

The fourth proportional to 70,102.85, 96,738.27 and 38,265.60 is: 52,804.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102.85 : 96,738.27 = 38,265.60 : x
  2. Step 2: Convert to fraction form
    70,102.85/96,738.27 = 38,265.60/x
  3. Step 3: Cross multiply
    70,102.85x = 96,738.27 × 38,265.60
  4. Step 4: Simplify right side
    70,102.85x = 3,701,747,460.82
  5. Step 5: Solve for x
    x = 3,701,747,460.82/70,102.85
  6. Step 6: Final answer
    x = 52,804.53

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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.