Home / 89,130.75-133,693.39-36,500.59

Finding the Fourth Proportional to 89,130.75, 133,693.39 and 36,500.59

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Solution

The fourth proportional to 89,130.75, 133,693.39 and 36,500.59 is: 54,749.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,130.75 : 133,693.39 = 36,500.59 : x
  2. Step 2: Convert to fraction form
    89,130.75/133,693.39 = 36,500.59/x
  3. Step 3: Cross multiply
    89,130.75x = 133,693.39 × 36,500.59
  4. Step 4: Simplify right side
    89,130.75x = 4,879,887,614.10
  5. Step 5: Solve for x
    x = 4,879,887,614.10/89,130.75
  6. Step 6: Final answer
    x = 54,749.76

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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.