Home / 61,922.56-92,864-20,359.68

Finding the Fourth Proportional to 61,922.56, 92,864 and 20,359.68

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Solution

The fourth proportional to 61,922.56, 92,864 and 20,359.68 is: 30,533.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,922.56 : 92,864 = 20,359.68 : x
  2. Step 2: Convert to fraction form
    61,922.56/92,864 = 20,359.68/x
  3. Step 3: Cross multiply
    61,922.56x = 92,864 × 20,359.68
  4. Step 4: Simplify right side
    61,922.56x = 1,890,681,323.52
  5. Step 5: Solve for x
    x = 1,890,681,323.52/61,922.56
  6. Step 6: Final answer
    x = 30,533.00

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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.