Home / 74,599.45-102,993.75-51,930.18

Finding the Fourth Proportional to 74,599.45, 102,993.75 and 51,930.18

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Solution

The fourth proportional to 74,599.45, 102,993.75 and 51,930.18 is: 71,696.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,599.45 : 102,993.75 = 51,930.18 : x
  2. Step 2: Convert to fraction form
    74,599.45/102,993.75 = 51,930.18/x
  3. Step 3: Cross multiply
    74,599.45x = 102,993.75 × 51,930.18
  4. Step 4: Simplify right side
    74,599.45x = 5,348,483,976.38
  5. Step 5: Solve for x
    x = 5,348,483,976.38/74,599.45
  6. Step 6: Final answer
    x = 71,696.03

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1.5x scale

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.