Home / 53,784.28-74,221.02-29,254.48

Finding the Fourth Proportional to 53,784.28, 74,221.02 and 29,254.48

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Solution

The fourth proportional to 53,784.28, 74,221.02 and 29,254.48 is: 40,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,784.28 : 74,221.02 = 29,254.48 : x
  2. Step 2: Convert to fraction form
    53,784.28/74,221.02 = 29,254.48/x
  3. Step 3: Cross multiply
    53,784.28x = 74,221.02 × 29,254.48
  4. Step 4: Simplify right side
    53,784.28x = 2,171,297,345.17
  5. Step 5: Solve for x
    x = 2,171,297,345.17/53,784.28
  6. Step 6: Final answer
    x = 40,370.48

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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.