Home / 48,664.80-72,851.40-28,933.20

Finding the Fourth Proportional to 48,664.80, 72,851.40 and 28,933.20

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Solution

The fourth proportional to 48,664.80, 72,851.40 and 28,933.20 is: 43,313.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,664.80 : 72,851.40 = 28,933.20 : x
  2. Step 2: Convert to fraction form
    48,664.80/72,851.40 = 28,933.20/x
  3. Step 3: Cross multiply
    48,664.80x = 72,851.40 × 28,933.20
  4. Step 4: Simplify right side
    48,664.80x = 2,107,824,126.48
  5. Step 5: Solve for x
    x = 2,107,824,126.48/48,664.80
  6. Step 6: Final answer
    x = 43,313.12

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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.