Home / 53,292.24-79,912.26-31,111.20

Finding the Fourth Proportional to 53,292.24, 79,912.26 and 31,111.20

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Solution

The fourth proportional to 53,292.24, 79,912.26 and 31,111.20 is: 46,651.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,292.24 : 79,912.26 = 31,111.20 : x
  2. Step 2: Convert to fraction form
    53,292.24/79,912.26 = 31,111.20/x
  3. Step 3: Cross multiply
    53,292.24x = 79,912.26 × 31,111.20
  4. Step 4: Simplify right side
    53,292.24x = 2,486,166,303.31
  5. Step 5: Solve for x
    x = 2,486,166,303.31/53,292.24
  6. Step 6: Final answer
    x = 46,651.56

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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.