Home / 75,458.39-113,187.17-19,298.41

Finding the Fourth Proportional to 75,458.39, 113,187.17 and 19,298.41

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Solution

The fourth proportional to 75,458.39, 113,187.17 and 19,298.41 is: 28,947.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,458.39 : 113,187.17 = 19,298.41 : x
  2. Step 2: Convert to fraction form
    75,458.39/113,187.17 = 19,298.41/x
  3. Step 3: Cross multiply
    75,458.39x = 113,187.17 × 19,298.41
  4. Step 4: Simplify right side
    75,458.39x = 2,184,332,178.68
  5. Step 5: Solve for x
    x = 2,184,332,178.68/75,458.39
  6. Step 6: Final answer
    x = 28,947.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.