Home / 70,546.17-97,355.61-38,716.20

Finding the Fourth Proportional to 70,546.17, 97,355.61 and 38,716.20

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Solution

The fourth proportional to 70,546.17, 97,355.61 and 38,716.20 is: 53,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,546.17 : 97,355.61 = 38,716.20 : x
  2. Step 2: Convert to fraction form
    70,546.17/97,355.61 = 38,716.20/x
  3. Step 3: Cross multiply
    70,546.17x = 97,355.61 × 38,716.20
  4. Step 4: Simplify right side
    70,546.17x = 3,769,239,267.88
  5. Step 5: Solve for x
    x = 3,769,239,267.88/70,546.17
  6. Step 6: Final answer
    x = 53,429.40

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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.