Home / 76,002.54-104,881.44-42,008.64

Finding the Fourth Proportional to 76,002.54, 104,881.44 and 42,008.64

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Solution

The fourth proportional to 76,002.54, 104,881.44 and 42,008.64 is: 57,970.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,002.54 : 104,881.44 = 42,008.64 : x
  2. Step 2: Convert to fraction form
    76,002.54/104,881.44 = 42,008.64/x
  3. Step 3: Cross multiply
    76,002.54x = 104,881.44 × 42,008.64
  4. Step 4: Simplify right side
    76,002.54x = 4,405,926,655.64
  5. Step 5: Solve for x
    x = 4,405,926,655.64/76,002.54
  6. Step 6: Final answer
    x = 57,970.78

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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.