Home / 53,837.12-74,218.23-37,872.02

Finding the Fourth Proportional to 53,837.12, 74,218.23 and 37,872.02

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Solution

The fourth proportional to 53,837.12, 74,218.23 and 37,872.02 is: 52,209.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,837.12 : 74,218.23 = 37,872.02 : x
  2. Step 2: Convert to fraction form
    53,837.12/74,218.23 = 37,872.02/x
  3. Step 3: Cross multiply
    53,837.12x = 74,218.23 × 37,872.02
  4. Step 4: Simplify right side
    53,837.12x = 2,810,793,919.83
  5. Step 5: Solve for x
    x = 2,810,793,919.83/53,837.12
  6. Step 6: Final answer
    x = 52,209.22

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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.