Home / 53,625.24-74,012.31-30,961.08

Finding the Fourth Proportional to 53,625.24, 74,012.31 and 30,961.08

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Solution

The fourth proportional to 53,625.24, 74,012.31 and 30,961.08 is: 42,731.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,625.24 : 74,012.31 = 30,961.08 : x
  2. Step 2: Convert to fraction form
    53,625.24/74,012.31 = 30,961.08/x
  3. Step 3: Cross multiply
    53,625.24x = 74,012.31 × 30,961.08
  4. Step 4: Simplify right side
    53,625.24x = 2,291,501,050.89
  5. Step 5: Solve for x
    x = 2,291,501,050.89/53,625.24
  6. Step 6: Final answer
    x = 42,731.76

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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.