Home / 89,706.11-134,458.59-36,385.70

Finding the Fourth Proportional to 89,706.11, 134,458.59 and 36,385.70

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Solution

The fourth proportional to 89,706.11, 134,458.59 and 36,385.70 is: 54,537.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,706.11 : 134,458.59 = 36,385.70 : x
  2. Step 2: Convert to fraction form
    89,706.11/134,458.59 = 36,385.70/x
  3. Step 3: Cross multiply
    89,706.11x = 134,458.59 × 36,385.70
  4. Step 4: Simplify right side
    89,706.11x = 4,892,369,918.16
  5. Step 5: Solve for x
    x = 4,892,369,918.16/89,706.11
  6. Step 6: Final answer
    x = 54,537.76

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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.