Home / 74,564.88-102,887.58-42,727.86

Finding the Fourth Proportional to 74,564.88, 102,887.58 and 42,727.86

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Solution

The fourth proportional to 74,564.88, 102,887.58 and 42,727.86 is: 58,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,564.88 : 102,887.58 = 42,727.86 : x
  2. Step 2: Convert to fraction form
    74,564.88/102,887.58 = 42,727.86/x
  3. Step 3: Cross multiply
    74,564.88x = 102,887.58 × 42,727.86
  4. Step 4: Simplify right side
    74,564.88x = 4,396,166,113.98
  5. Step 5: Solve for x
    x = 4,396,166,113.98/74,564.88
  6. Step 6: Final answer
    x = 58,957.60

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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.