Home / 70,439.14-97,206.87-38,607.36

Finding the Fourth Proportional to 70,439.14, 97,206.87 and 38,607.36

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Solution

The fourth proportional to 70,439.14, 97,206.87 and 38,607.36 is: 53,278.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,439.14 : 97,206.87 = 38,607.36 : x
  2. Step 2: Convert to fraction form
    70,439.14/97,206.87 = 38,607.36/x
  3. Step 3: Cross multiply
    70,439.14x = 97,206.87 × 38,607.36
  4. Step 4: Simplify right side
    70,439.14x = 3,752,900,624.56
  5. Step 5: Solve for x
    x = 3,752,900,624.56/70,439.14
  6. Step 6: Final answer
    x = 53,278.63

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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.