Home / 54,647.98-82,028.13-28,345.66

Finding the Fourth Proportional to 54,647.98, 82,028.13 and 28,345.66

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Solution

The fourth proportional to 54,647.98, 82,028.13 and 28,345.66 is: 42,547.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,647.98 : 82,028.13 = 28,345.66 : x
  2. Step 2: Convert to fraction form
    54,647.98/82,028.13 = 28,345.66/x
  3. Step 3: Cross multiply
    54,647.98x = 82,028.13 × 28,345.66
  4. Step 4: Simplify right side
    54,647.98x = 2,325,141,483.42
  5. Step 5: Solve for x
    x = 2,325,141,483.42/54,647.98
  6. Step 6: Final answer
    x = 42,547.62

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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.