Home / 43,325.81-64,988.73-15,623.81

Finding the Fourth Proportional to 43,325.81, 64,988.73 and 15,623.81

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Solution

The fourth proportional to 43,325.81, 64,988.73 and 15,623.81 is: 23,435.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,325.81 : 64,988.73 = 15,623.81 : x
  2. Step 2: Convert to fraction form
    43,325.81/64,988.73 = 15,623.81/x
  3. Step 3: Cross multiply
    43,325.81x = 64,988.73 × 15,623.81
  4. Step 4: Simplify right side
    43,325.81x = 1,015,371,732.13
  5. Step 5: Solve for x
    x = 1,015,371,732.13/43,325.81
  6. Step 6: Final answer
    x = 23,435.72

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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.