Home / 53,631.72-74,057.22-37,751.40

Finding the Fourth Proportional to 53,631.72, 74,057.22 and 37,751.40

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Solution

The fourth proportional to 53,631.72, 74,057.22 and 37,751.40 is: 52,128.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,631.72 : 74,057.22 = 37,751.40 : x
  2. Step 2: Convert to fraction form
    53,631.72/74,057.22 = 37,751.40/x
  3. Step 3: Cross multiply
    53,631.72x = 74,057.22 × 37,751.40
  4. Step 4: Simplify right side
    53,631.72x = 2,795,763,735.11
  5. Step 5: Solve for x
    x = 2,795,763,735.11/53,631.72
  6. Step 6: Final answer
    x = 52,128.92

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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.