Home / 74,267.55-102,494.87-42,002.81

Finding the Fourth Proportional to 74,267.55, 102,494.87 and 42,002.81

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Solution

The fourth proportional to 74,267.55, 102,494.87 and 42,002.81 is: 57,967.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,267.55 : 102,494.87 = 42,002.81 : x
  2. Step 2: Convert to fraction form
    74,267.55/102,494.87 = 42,002.81/x
  3. Step 3: Cross multiply
    74,267.55x = 102,494.87 × 42,002.81
  4. Step 4: Simplify right side
    74,267.55x = 4,305,072,143.12
  5. Step 5: Solve for x
    x = 4,305,072,143.12/74,267.55
  6. Step 6: Final answer
    x = 57,967.07

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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.