Home / 66,309.36-99,463.06-16,389.46

Finding the Fourth Proportional to 66,309.36, 99,463.06 and 16,389.46

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Solution

The fourth proportional to 66,309.36, 99,463.06 and 16,389.46 is: 24,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,309.36 : 99,463.06 = 16,389.46 : x
  2. Step 2: Convert to fraction form
    66,309.36/99,463.06 = 16,389.46/x
  3. Step 3: Cross multiply
    66,309.36x = 99,463.06 × 16,389.46
  4. Step 4: Simplify right side
    66,309.36x = 1,630,145,988.16
  5. Step 5: Solve for x
    x = 1,630,145,988.16/66,309.36
  6. Step 6: Final answer
    x = 24,583.95

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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.