Home / 79,354.85-109,505.92-43,544.07

Finding the Fourth Proportional to 79,354.85, 109,505.92 and 43,544.07

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Solution

The fourth proportional to 79,354.85, 109,505.92 and 43,544.07 is: 60,088.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,354.85 : 109,505.92 = 43,544.07 : x
  2. Step 2: Convert to fraction form
    79,354.85/109,505.92 = 43,544.07/x
  3. Step 3: Cross multiply
    79,354.85x = 109,505.92 × 43,544.07
  4. Step 4: Simplify right side
    79,354.85x = 4,768,333,445.89
  5. Step 5: Solve for x
    x = 4,768,333,445.89/79,354.85
  6. Step 6: Final answer
    x = 60,088.75

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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.