Home / 89,534.39-134,303.13-30,371.58

Finding the Fourth Proportional to 89,534.39, 134,303.13 and 30,371.58

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Solution

The fourth proportional to 89,534.39, 134,303.13 and 30,371.58 is: 45,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,534.39 : 134,303.13 = 30,371.58 : x
  2. Step 2: Convert to fraction form
    89,534.39/134,303.13 = 30,371.58/x
  3. Step 3: Cross multiply
    89,534.39x = 134,303.13 × 30,371.58
  4. Step 4: Simplify right side
    89,534.39x = 4,078,998,257.05
  5. Step 5: Solve for x
    x = 4,078,998,257.05/89,534.39
  6. Step 6: Final answer
    x = 45,557.90

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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.