Home / 56,394.23-77,820.55-30,896.03

Finding the Fourth Proportional to 56,394.23, 77,820.55 and 30,896.03

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Solution

The fourth proportional to 56,394.23, 77,820.55 and 30,896.03 is: 42,634.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,394.23 : 77,820.55 = 30,896.03 : x
  2. Step 2: Convert to fraction form
    56,394.23/77,820.55 = 30,896.03/x
  3. Step 3: Cross multiply
    56,394.23x = 77,820.55 × 30,896.03
  4. Step 4: Simplify right side
    56,394.23x = 2,404,346,164.73
  5. Step 5: Solve for x
    x = 2,404,346,164.73/56,394.23
  6. Step 6: Final answer
    x = 42,634.62

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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.