Home / 73,106.03-109,409.54-61,273.16

Finding the Fourth Proportional to 73,106.03, 109,409.54 and 61,273.16

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Solution

The fourth proportional to 73,106.03, 109,409.54 and 61,273.16 is: 91,700.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,106.03 : 109,409.54 = 61,273.16 : x
  2. Step 2: Convert to fraction form
    73,106.03/109,409.54 = 61,273.16/x
  3. Step 3: Cross multiply
    73,106.03x = 109,409.54 × 61,273.16
  4. Step 4: Simplify right side
    73,106.03x = 6,703,868,446.88
  5. Step 5: Solve for x
    x = 6,703,868,446.88/73,106.03
  6. Step 6: Final answer
    x = 91,700.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.