Home / 79,370.85-109,528.25-43,560.93

Finding the Fourth Proportional to 79,370.85, 109,528.25 and 43,560.93

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Solution

The fourth proportional to 79,370.85, 109,528.25 and 43,560.93 is: 60,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,370.85 : 109,528.25 = 43,560.93 : x
  2. Step 2: Convert to fraction form
    79,370.85/109,528.25 = 43,560.93/x
  3. Step 3: Cross multiply
    79,370.85x = 109,528.25 × 43,560.93
  4. Step 4: Simplify right side
    79,370.85x = 4,771,151,992.53
  5. Step 5: Solve for x
    x = 4,771,151,992.53/79,370.85
  6. Step 6: Final answer
    x = 60,112.15

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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.