Home / 79,043.85-109,080.54-43,237.17

Finding the Fourth Proportional to 79,043.85, 109,080.54 and 43,237.17

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Solution

The fourth proportional to 79,043.85, 109,080.54 and 43,237.17 is: 59,667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,043.85 : 109,080.54 = 43,237.17 : x
  2. Step 2: Convert to fraction form
    79,043.85/109,080.54 = 43,237.17/x
  3. Step 3: Cross multiply
    79,043.85x = 109,080.54 × 43,237.17
  4. Step 4: Simplify right side
    79,043.85x = 4,716,333,851.67
  5. Step 5: Solve for x
    x = 4,716,333,851.67/79,043.85
  6. Step 6: Final answer
    x = 59,667.31

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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.