Home / 53,859.72-74,325.15-29,985.93

Finding the Fourth Proportional to 53,859.72, 74,325.15 and 29,985.93

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Solution

The fourth proportional to 53,859.72, 74,325.15 and 29,985.93 is: 41,379.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,859.72 : 74,325.15 = 29,985.93 : x
  2. Step 2: Convert to fraction form
    53,859.72/74,325.15 = 29,985.93/x
  3. Step 3: Cross multiply
    53,859.72x = 74,325.15 × 29,985.93
  4. Step 4: Simplify right side
    53,859.72x = 2,228,708,745.14
  5. Step 5: Solve for x
    x = 2,228,708,745.14/53,859.72
  6. Step 6: Final answer
    x = 41,379.88

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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.