Home / 50,365.88-69,510.34-31,509.08

Finding the Fourth Proportional to 50,365.88, 69,510.34 and 31,509.08

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Solution

The fourth proportional to 50,365.88, 69,510.34 and 31,509.08 is: 43,485.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,365.88 : 69,510.34 = 31,509.08 : x
  2. Step 2: Convert to fraction form
    50,365.88/69,510.34 = 31,509.08/x
  3. Step 3: Cross multiply
    50,365.88x = 69,510.34 × 31,509.08
  4. Step 4: Simplify right side
    50,365.88x = 2,190,206,863.89
  5. Step 5: Solve for x
    x = 2,190,206,863.89/50,365.88
  6. Step 6: Final answer
    x = 43,485.92

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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.