Home / 103,947.05-143,451.80-58,624.08

Finding the Fourth Proportional to 103,947.05, 143,451.80 and 58,624.08

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Solution

The fourth proportional to 103,947.05, 143,451.80 and 58,624.08 is: 80,903.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,947.05 : 143,451.80 = 58,624.08 : x
  2. Step 2: Convert to fraction form
    103,947.05/143,451.80 = 58,624.08/x
  3. Step 3: Cross multiply
    103,947.05x = 143,451.80 × 58,624.08
  4. Step 4: Simplify right side
    103,947.05x = 8,409,729,188.12
  5. Step 5: Solve for x
    x = 8,409,729,188.12/103,947.05
  6. Step 6: Final answer
    x = 80,903.97

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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.