Home / 65,004.68-89,706.46-36,712.18

Finding the Fourth Proportional to 65,004.68, 89,706.46 and 36,712.18

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Solution

The fourth proportional to 65,004.68, 89,706.46 and 36,712.18 is: 50,662.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,004.68 : 89,706.46 = 36,712.18 : x
  2. Step 2: Convert to fraction form
    65,004.68/89,706.46 = 36,712.18/x
  3. Step 3: Cross multiply
    65,004.68x = 89,706.46 × 36,712.18
  4. Step 4: Simplify right side
    65,004.68x = 3,293,319,706.68
  5. Step 5: Solve for x
    x = 3,293,319,706.68/65,004.68
  6. Step 6: Final answer
    x = 50,662.81

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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.