Home / 73,971.08-102,078.06-42,150.26

Finding the Fourth Proportional to 73,971.08, 102,078.06 and 42,150.26

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Solution

The fourth proportional to 73,971.08, 102,078.06 and 42,150.26 is: 58,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,971.08 : 102,078.06 = 42,150.26 : x
  2. Step 2: Convert to fraction form
    73,971.08/102,078.06 = 42,150.26/x
  3. Step 3: Cross multiply
    73,971.08x = 102,078.06 × 42,150.26
  4. Step 4: Simplify right side
    73,971.08x = 4,302,616,769.30
  5. Step 5: Solve for x
    x = 4,302,616,769.30/73,971.08
  6. Step 6: Final answer
    x = 58,166.20

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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.