Home / 89,120.07-133,552.13-53,595.90

Finding the Fourth Proportional to 89,120.07, 133,552.13 and 53,595.90

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Solution

The fourth proportional to 89,120.07, 133,552.13 and 53,595.90 is: 80,316.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,120.07 : 133,552.13 = 53,595.90 : x
  2. Step 2: Convert to fraction form
    89,120.07/133,552.13 = 53,595.90/x
  3. Step 3: Cross multiply
    89,120.07x = 133,552.13 × 53,595.90
  4. Step 4: Simplify right side
    89,120.07x = 7,157,846,336.29
  5. Step 5: Solve for x
    x = 7,157,846,336.29/89,120.07
  6. Step 6: Final answer
    x = 80,316.88

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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.