Home / 72,996.24-109,427.40-47,996.40

Finding the Fourth Proportional to 72,996.24, 109,427.40 and 47,996.40

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Solution

The fourth proportional to 72,996.24, 109,427.40 and 47,996.40 is: 71,950.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,996.24 : 109,427.40 = 47,996.40 : x
  2. Step 2: Convert to fraction form
    72,996.24/109,427.40 = 47,996.40/x
  3. Step 3: Cross multiply
    72,996.24x = 109,427.40 × 47,996.40
  4. Step 4: Simplify right side
    72,996.24x = 5,252,121,261.36
  5. Step 5: Solve for x
    x = 5,252,121,261.36/72,996.24
  6. Step 6: Final answer
    x = 71,950.57

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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.