Home / 59,788.81-89,666.19-20,345.05

Finding the Fourth Proportional to 59,788.81, 89,666.19 and 20,345.05

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Solution

The fourth proportional to 59,788.81, 89,666.19 and 20,345.05 is: 30,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,788.81 : 89,666.19 = 20,345.05 : x
  2. Step 2: Convert to fraction form
    59,788.81/89,666.19 = 20,345.05/x
  3. Step 3: Cross multiply
    59,788.81x = 89,666.19 × 20,345.05
  4. Step 4: Simplify right side
    59,788.81x = 1,824,263,230.94
  5. Step 5: Solve for x
    x = 1,824,263,230.94/59,788.81
  6. Step 6: Final answer
    x = 30,511.78

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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.