Home / 70,003.45-96,604.58-38,172.34

Finding the Fourth Proportional to 70,003.45, 96,604.58 and 38,172.34

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Solution

The fourth proportional to 70,003.45, 96,604.58 and 38,172.34 is: 52,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,003.45 : 96,604.58 = 38,172.34 : x
  2. Step 2: Convert to fraction form
    70,003.45/96,604.58 = 38,172.34/x
  3. Step 3: Cross multiply
    70,003.45x = 96,604.58 × 38,172.34
  4. Step 4: Simplify right side
    70,003.45x = 3,687,623,146.48
  5. Step 5: Solve for x
    x = 3,687,623,146.48/70,003.45
  6. Step 6: Final answer
    x = 52,677.74

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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.