Home / 53,918.93-74,390.47-32,690.45

Finding the Fourth Proportional to 53,918.93, 74,390.47 and 32,690.45

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Solution

The fourth proportional to 53,918.93, 74,390.47 and 32,690.45 is: 45,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,918.93 : 74,390.47 = 32,690.45 : x
  2. Step 2: Convert to fraction form
    53,918.93/74,390.47 = 32,690.45/x
  3. Step 3: Cross multiply
    53,918.93x = 74,390.47 × 32,690.45
  4. Step 4: Simplify right side
    53,918.93x = 2,431,857,940.01
  5. Step 5: Solve for x
    x = 2,431,857,940.01/53,918.93
  6. Step 6: Final answer
    x = 45,102.12

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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.