Home / 65,283.47-90,091.19-36,989.16

Finding the Fourth Proportional to 65,283.47, 90,091.19 and 36,989.16

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Solution

The fourth proportional to 65,283.47, 90,091.19 and 36,989.16 is: 51,045.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,283.47 : 90,091.19 = 36,989.16 : x
  2. Step 2: Convert to fraction form
    65,283.47/90,091.19 = 36,989.16/x
  3. Step 3: Cross multiply
    65,283.47x = 90,091.19 × 36,989.16
  4. Step 4: Simplify right side
    65,283.47x = 3,332,396,988.07
  5. Step 5: Solve for x
    x = 3,332,396,988.07/65,283.47
  6. Step 6: Final answer
    x = 51,045.04

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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.