Home / 74,289.82-102,518.10-41,583.76

Finding the Fourth Proportional to 74,289.82, 102,518.10 and 41,583.76

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Solution

The fourth proportional to 74,289.82, 102,518.10 and 41,583.76 is: 57,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,289.82 : 102,518.10 = 41,583.76 : x
  2. Step 2: Convert to fraction form
    74,289.82/102,518.10 = 41,583.76/x
  3. Step 3: Cross multiply
    74,289.82x = 102,518.10 × 41,583.76
  4. Step 4: Simplify right side
    74,289.82x = 4,263,088,066.06
  5. Step 5: Solve for x
    x = 4,263,088,066.06/74,289.82
  6. Step 6: Final answer
    x = 57,384.55

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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.