Home / 73,705.36-110,021.78-64,374.16

Finding the Fourth Proportional to 73,705.36, 110,021.78 and 64,374.16

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Solution

The fourth proportional to 73,705.36, 110,021.78 and 64,374.16 is: 96,092.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,705.36 : 110,021.78 = 64,374.16 : x
  2. Step 2: Convert to fraction form
    73,705.36/110,021.78 = 64,374.16/x
  3. Step 3: Cross multiply
    73,705.36x = 110,021.78 × 64,374.16
  4. Step 4: Simplify right side
    73,705.36x = 7,082,559,669.20
  5. Step 5: Solve for x
    x = 7,082,559,669.20/73,705.36
  6. Step 6: Final answer
    x = 96,092.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.