Home / 74,338.36-102,618.90-45,662.69

Finding the Fourth Proportional to 74,338.36, 102,618.90 and 45,662.69

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Solution

The fourth proportional to 74,338.36, 102,618.90 and 45,662.69 is: 63,034.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,338.36 : 102,618.90 = 45,662.69 : x
  2. Step 2: Convert to fraction form
    74,338.36/102,618.90 = 45,662.69/x
  3. Step 3: Cross multiply
    74,338.36x = 102,618.90 × 45,662.69
  4. Step 4: Simplify right side
    74,338.36x = 4,685,854,698.16
  5. Step 5: Solve for x
    x = 4,685,854,698.16/74,338.36
  6. Step 6: Final answer
    x = 63,034.14

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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.