Home / 65,190.09-89,960.04-36,895.17

Finding the Fourth Proportional to 65,190.09, 89,960.04 and 36,895.17

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Solution

The fourth proportional to 65,190.09, 89,960.04 and 36,895.17 is: 50,914.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190.09 : 89,960.04 = 36,895.17 : x
  2. Step 2: Convert to fraction form
    65,190.09/89,960.04 = 36,895.17/x
  3. Step 3: Cross multiply
    65,190.09x = 89,960.04 × 36,895.17
  4. Step 4: Simplify right side
    65,190.09x = 3,319,090,969.01
  5. Step 5: Solve for x
    x = 3,319,090,969.01/65,190.09
  6. Step 6: Final answer
    x = 50,914.04

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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.