Home / 79,192.83-109,283.26-45,203.07

Finding the Fourth Proportional to 79,192.83, 109,283.26 and 45,203.07

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Solution

The fourth proportional to 79,192.83, 109,283.26 and 45,203.07 is: 62,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,192.83 : 109,283.26 = 45,203.07 : x
  2. Step 2: Convert to fraction form
    79,192.83/109,283.26 = 45,203.07/x
  3. Step 3: Cross multiply
    79,192.83x = 109,283.26 × 45,203.07
  4. Step 4: Simplify right side
    79,192.83x = 4,939,938,625.59
  5. Step 5: Solve for x
    x = 4,939,938,625.59/79,192.83
  6. Step 6: Final answer
    x = 62,378.61

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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.