Home / 96,857.11-133,608.84-90,007.12

Finding the Fourth Proportional to 96,857.11, 133,608.84 and 90,007.12

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Solution

The fourth proportional to 96,857.11, 133,608.84 and 90,007.12 is: 124,159.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,857.11 : 133,608.84 = 90,007.12 : x
  2. Step 2: Convert to fraction form
    96,857.11/133,608.84 = 90,007.12/x
  3. Step 3: Cross multiply
    96,857.11x = 133,608.84 × 90,007.12
  4. Step 4: Simplify right side
    96,857.11x = 12,025,746,226.90
  5. Step 5: Solve for x
    x = 12,025,746,226.90/96,857.11
  6. Step 6: Final answer
    x = 124,159.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.