Home / 79,661.06-109,907.52-45,200.09

Finding the Fourth Proportional to 79,661.06, 109,907.52 and 45,200.09

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Solution

The fourth proportional to 79,661.06, 109,907.52 and 45,200.09 is: 62,362.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,661.06 : 109,907.52 = 45,200.09 : x
  2. Step 2: Convert to fraction form
    79,661.06/109,907.52 = 45,200.09/x
  3. Step 3: Cross multiply
    79,661.06x = 109,907.52 × 45,200.09
  4. Step 4: Simplify right side
    79,661.06x = 4,967,829,795.68
  5. Step 5: Solve for x
    x = 4,967,829,795.68/79,661.06
  6. Step 6: Final answer
    x = 62,362.09

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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.