Home / 50,721.02-69,994.62-28,365.02

Finding the Fourth Proportional to 50,721.02, 69,994.62 and 28,365.02

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Solution

The fourth proportional to 50,721.02, 69,994.62 and 28,365.02 is: 39,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,721.02 : 69,994.62 = 28,365.02 : x
  2. Step 2: Convert to fraction form
    50,721.02/69,994.62 = 28,365.02/x
  3. Step 3: Cross multiply
    50,721.02x = 69,994.62 × 28,365.02
  4. Step 4: Simplify right side
    50,721.02x = 1,985,398,796.19
  5. Step 5: Solve for x
    x = 1,985,398,796.19/50,721.02
  6. Step 6: Final answer
    x = 39,143.51

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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.