Home / 43,269.02-64,903.55-16,981.28

Finding the Fourth Proportional to 43,269.02, 64,903.55 and 16,981.28

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Solution

The fourth proportional to 43,269.02, 64,903.55 and 16,981.28 is: 25,471.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,269.02 : 64,903.55 = 16,981.28 : x
  2. Step 2: Convert to fraction form
    43,269.02/64,903.55 = 16,981.28/x
  3. Step 3: Cross multiply
    43,269.02x = 64,903.55 × 16,981.28
  4. Step 4: Simplify right side
    43,269.02x = 1,102,145,355.54
  5. Step 5: Solve for x
    x = 1,102,145,355.54/43,269.02
  6. Step 6: Final answer
    x = 25,471.93

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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.