Home / 61,926.56-92,870-20,363.68

Finding the Fourth Proportional to 61,926.56, 92,870 and 20,363.68

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Solution

The fourth proportional to 61,926.56, 92,870 and 20,363.68 is: 30,539.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,926.56 : 92,870 = 20,363.68 : x
  2. Step 2: Convert to fraction form
    61,926.56/92,870 = 20,363.68/x
  3. Step 3: Cross multiply
    61,926.56x = 92,870 × 20,363.68
  4. Step 4: Simplify right side
    61,926.56x = 1,891,174,961.60
  5. Step 5: Solve for x
    x = 1,891,174,961.60/61,926.56
  6. Step 6: Final answer
    x = 30,539.00

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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.