Home / 79,193.07-109,256.00-45,203.45

Finding the Fourth Proportional to 79,193.07, 109,256.00 and 45,203.45

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Solution

The fourth proportional to 79,193.07, 109,256.00 and 45,203.45 is: 62,363.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,193.07 : 109,256.00 = 45,203.45 : x
  2. Step 2: Convert to fraction form
    79,193.07/109,256.00 = 45,203.45/x
  3. Step 3: Cross multiply
    79,193.07x = 109,256.00 × 45,203.45
  4. Step 4: Simplify right side
    79,193.07x = 4,938,747,360.90
  5. Step 5: Solve for x
    x = 4,938,747,360.90/79,193.07
  6. Step 6: Final answer
    x = 62,363.38

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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.