Home / 74,993.22-103,383.81-51,089.31

Finding the Fourth Proportional to 74,993.22, 103,383.81 and 51,089.31

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Solution

The fourth proportional to 74,993.22, 103,383.81 and 51,089.31 is: 70,430.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,993.22 : 103,383.81 = 51,089.31 : x
  2. Step 2: Convert to fraction form
    74,993.22/103,383.81 = 51,089.31/x
  3. Step 3: Cross multiply
    74,993.22x = 103,383.81 × 51,089.31
  4. Step 4: Simplify right side
    74,993.22x = 5,281,807,518.07
  5. Step 5: Solve for x
    x = 5,281,807,518.07/74,993.22
  6. Step 6: Final answer
    x = 70,430.47

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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.