Home / 53,987.16-74,475.54-36,087.78

Finding the Fourth Proportional to 53,987.16, 74,475.54 and 36,087.78

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Solution

The fourth proportional to 53,987.16, 74,475.54 and 36,087.78 is: 49,783.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,987.16 : 74,475.54 = 36,087.78 : x
  2. Step 2: Convert to fraction form
    53,987.16/74,475.54 = 36,087.78/x
  3. Step 3: Cross multiply
    53,987.16x = 74,475.54 × 36,087.78
  4. Step 4: Simplify right side
    53,987.16x = 2,687,656,902.90
  5. Step 5: Solve for x
    x = 2,687,656,902.90/53,987.16
  6. Step 6: Final answer
    x = 49,783.26

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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.