Home / 79,187.33-109,280.28-45,195.14

Finding the Fourth Proportional to 79,187.33, 109,280.28 and 45,195.14

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Solution

The fourth proportional to 79,187.33, 109,280.28 and 45,195.14 is: 62,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,187.33 : 109,280.28 = 45,195.14 : x
  2. Step 2: Convert to fraction form
    79,187.33/109,280.28 = 45,195.14/x
  3. Step 3: Cross multiply
    79,187.33x = 109,280.28 × 45,195.14
  4. Step 4: Simplify right side
    79,187.33x = 4,938,937,553.84
  5. Step 5: Solve for x
    x = 4,938,937,553.84/79,187.33
  6. Step 6: Final answer
    x = 62,370.30

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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.