Home / 79,173.33-109,257.90-45,192.36

Finding the Fourth Proportional to 79,173.33, 109,257.90 and 45,192.36

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Solution

The fourth proportional to 79,173.33, 109,257.90 and 45,192.36 is: 62,364.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,173.33 : 109,257.90 = 45,192.36 : x
  2. Step 2: Convert to fraction form
    79,173.33/109,257.90 = 45,192.36/x
  3. Step 3: Cross multiply
    79,173.33x = 109,257.90 × 45,192.36
  4. Step 4: Simplify right side
    79,173.33x = 4,937,622,349.64
  5. Step 5: Solve for x
    x = 4,937,622,349.64/79,173.33
  6. Step 6: Final answer
    x = 62,364.72

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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.