Home / 53,670.02-74,051.28-29,790.72

Finding the Fourth Proportional to 53,670.02, 74,051.28 and 29,790.72

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Solution

The fourth proportional to 53,670.02, 74,051.28 and 29,790.72 is: 41,103.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,670.02 : 74,051.28 = 29,790.72 : x
  2. Step 2: Convert to fraction form
    53,670.02/74,051.28 = 29,790.72/x
  3. Step 3: Cross multiply
    53,670.02x = 74,051.28 × 29,790.72
  4. Step 4: Simplify right side
    53,670.02x = 2,206,040,948.12
  5. Step 5: Solve for x
    x = 2,206,040,948.12/53,670.02
  6. Step 6: Final answer
    x = 41,103.79

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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.