Home / 89,470.12-134,234.34-45,093.46

Finding the Fourth Proportional to 89,470.12, 134,234.34 and 45,093.46

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Solution

The fourth proportional to 89,470.12, 134,234.34 and 45,093.46 is: 67,654.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,470.12 : 134,234.34 = 45,093.46 : x
  2. Step 2: Convert to fraction form
    89,470.12/134,234.34 = 45,093.46/x
  3. Step 3: Cross multiply
    89,470.12x = 134,234.34 × 45,093.46
  4. Step 4: Simplify right side
    89,470.12x = 6,053,090,841.42
  5. Step 5: Solve for x
    x = 6,053,090,841.42/89,470.12
  6. Step 6: Final answer
    x = 67,654.89

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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.