Home / 72,112.36-107,955.50-53,267.24

Finding the Fourth Proportional to 72,112.36, 107,955.50 and 53,267.24

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Solution

The fourth proportional to 72,112.36, 107,955.50 and 53,267.24 is: 79,743.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,112.36 : 107,955.50 = 53,267.24 : x
  2. Step 2: Convert to fraction form
    72,112.36/107,955.50 = 53,267.24/x
  3. Step 3: Cross multiply
    72,112.36x = 107,955.50 × 53,267.24
  4. Step 4: Simplify right side
    72,112.36x = 5,750,491,527.82
  5. Step 5: Solve for x
    x = 5,750,491,527.82/72,112.36
  6. Step 6: Final answer
    x = 79,743.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.