Home / 89,185.08-133,671-67,960.25

Finding the Fourth Proportional to 89,185.08, 133,671 and 67,960.25

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Solution

The fourth proportional to 89,185.08, 133,671 and 67,960.25 is: 101,859.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,185.08 : 133,671 = 67,960.25 : x
  2. Step 2: Convert to fraction form
    89,185.08/133,671 = 67,960.25/x
  3. Step 3: Cross multiply
    89,185.08x = 133,671 × 67,960.25
  4. Step 4: Simplify right side
    89,185.08x = 9,084,313,909.40
  5. Step 5: Solve for x
    x = 9,084,313,909.40/89,185.08
  6. Step 6: Final answer
    x = 101,859.12

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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.