Home / 45,447.57-68,172.06-14,282.82

Finding the Fourth Proportional to 45,447.57, 68,172.06 and 14,282.82

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Solution

The fourth proportional to 45,447.57, 68,172.06 and 14,282.82 is: 21,424.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,447.57 : 68,172.06 = 14,282.82 : x
  2. Step 2: Convert to fraction form
    45,447.57/68,172.06 = 14,282.82/x
  3. Step 3: Cross multiply
    45,447.57x = 68,172.06 × 14,282.82
  4. Step 4: Simplify right side
    45,447.57x = 973,689,262.01
  5. Step 5: Solve for x
    x = 973,689,262.01/45,447.57
  6. Step 6: Final answer
    x = 21,424.45

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1.5x scale

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.