Home / 53,619.60-73,989.02-29,740.28

Finding the Fourth Proportional to 53,619.60, 73,989.02 and 29,740.28

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Solution

The fourth proportional to 53,619.60, 73,989.02 and 29,740.28 is: 41,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,619.60 : 73,989.02 = 29,740.28 : x
  2. Step 2: Convert to fraction form
    53,619.60/73,989.02 = 29,740.28/x
  3. Step 3: Cross multiply
    53,619.60x = 73,989.02 × 29,740.28
  4. Step 4: Simplify right side
    53,619.60x = 2,200,454,171.73
  5. Step 5: Solve for x
    x = 2,200,454,171.73/53,619.60
  6. Step 6: Final answer
    x = 41,038.24

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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.