Home / 89,423.09-134,134.66-33,255.86

Finding the Fourth Proportional to 89,423.09, 134,134.66 and 33,255.86

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Solution

The fourth proportional to 89,423.09, 134,134.66 and 33,255.86 is: 49,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,423.09 : 134,134.66 = 33,255.86 : x
  2. Step 2: Convert to fraction form
    89,423.09/134,134.66 = 33,255.86/x
  3. Step 3: Cross multiply
    89,423.09x = 134,134.66 × 33,255.86
  4. Step 4: Simplify right side
    89,423.09x = 4,460,763,307.83
  5. Step 5: Solve for x
    x = 4,460,763,307.83/89,423.09
  6. Step 6: Final answer
    x = 49,883.80

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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.