Home / 74,998.47-103,507.02-43,166.70

Finding the Fourth Proportional to 74,998.47, 103,507.02 and 43,166.70

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Solution

The fourth proportional to 74,998.47, 103,507.02 and 43,166.70 is: 59,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,998.47 : 103,507.02 = 43,166.70 : x
  2. Step 2: Convert to fraction form
    74,998.47/103,507.02 = 43,166.70/x
  3. Step 3: Cross multiply
    74,998.47x = 103,507.02 × 43,166.70
  4. Step 4: Simplify right side
    74,998.47x = 4,468,056,480.23
  5. Step 5: Solve for x
    x = 4,468,056,480.23/74,998.47
  6. Step 6: Final answer
    x = 59,575.30

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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.