Home / 74,305.53-102,548.84-42,468.36

Finding the Fourth Proportional to 74,305.53, 102,548.84 and 42,468.36

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Solution

The fourth proportional to 74,305.53, 102,548.84 and 42,468.36 is: 58,610.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,305.53 : 102,548.84 = 42,468.36 : x
  2. Step 2: Convert to fraction form
    74,305.53/102,548.84 = 42,468.36/x
  3. Step 3: Cross multiply
    74,305.53x = 102,548.84 × 42,468.36
  4. Step 4: Simplify right side
    74,305.53x = 4,355,080,842.36
  5. Step 5: Solve for x
    x = 4,355,080,842.36/74,305.53
  6. Step 6: Final answer
    x = 58,610.45

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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.