Home / 99,410.08-137,188.44-54,090.52

Finding the Fourth Proportional to 99,410.08, 137,188.44 and 54,090.52

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Solution

The fourth proportional to 99,410.08, 137,188.44 and 54,090.52 is: 74,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,410.08 : 137,188.44 = 54,090.52 : x
  2. Step 2: Convert to fraction form
    99,410.08/137,188.44 = 54,090.52/x
  3. Step 3: Cross multiply
    99,410.08x = 137,188.44 × 54,090.52
  4. Step 4: Simplify right side
    99,410.08x = 7,420,594,057.59
  5. Step 5: Solve for x
    x = 7,420,594,057.59/99,410.08
  6. Step 6: Final answer
    x = 74,646.29

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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.