Home / 89,209.17-133,813.71-26,879.67

Finding the Fourth Proportional to 89,209.17, 133,813.71 and 26,879.67

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Solution

The fourth proportional to 89,209.17, 133,813.71 and 26,879.67 is: 40,319.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,209.17 : 133,813.71 = 26,879.67 : x
  2. Step 2: Convert to fraction form
    89,209.17/133,813.71 = 26,879.67/x
  3. Step 3: Cross multiply
    89,209.17x = 133,813.71 × 26,879.67
  4. Step 4: Simplify right side
    89,209.17x = 3,596,868,366.28
  5. Step 5: Solve for x
    x = 3,596,868,366.28/89,209.17
  6. Step 6: Final answer
    x = 40,319.49

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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.