Home / 53,686.56-80,465.04-38,792.28

Finding the Fourth Proportional to 53,686.56, 80,465.04 and 38,792.28

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Solution

The fourth proportional to 53,686.56, 80,465.04 and 38,792.28 is: 58,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,686.56 : 80,465.04 = 38,792.28 : x
  2. Step 2: Convert to fraction form
    53,686.56/80,465.04 = 38,792.28/x
  3. Step 3: Cross multiply
    53,686.56x = 80,465.04 × 38,792.28
  4. Step 4: Simplify right side
    53,686.56x = 3,121,422,361.89
  5. Step 5: Solve for x
    x = 3,121,422,361.89/53,686.56
  6. Step 6: Final answer
    x = 58,141.60

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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.