Home / 48,465.80-72,690.24-12,927.56

Finding the Fourth Proportional to 48,465.80, 72,690.24 and 12,927.56

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Solution

The fourth proportional to 48,465.80, 72,690.24 and 12,927.56 is: 19,389.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,465.80 : 72,690.24 = 12,927.56 : x
  2. Step 2: Convert to fraction form
    48,465.80/72,690.24 = 12,927.56/x
  3. Step 3: Cross multiply
    48,465.80x = 72,690.24 × 12,927.56
  4. Step 4: Simplify right side
    48,465.80x = 939,707,439.01
  5. Step 5: Solve for x
    x = 939,707,439.01/48,465.80
  6. Step 6: Final answer
    x = 19,389.08

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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.