Home / 45,967.46-68,955.14-12,687.53

Finding the Fourth Proportional to 45,967.46, 68,955.14 and 12,687.53

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Solution

The fourth proportional to 45,967.46, 68,955.14 and 12,687.53 is: 19,032.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,967.46 : 68,955.14 = 12,687.53 : x
  2. Step 2: Convert to fraction form
    45,967.46/68,955.14 = 12,687.53/x
  3. Step 3: Cross multiply
    45,967.46x = 68,955.14 × 12,687.53
  4. Step 4: Simplify right side
    45,967.46x = 874,870,094.35
  5. Step 5: Solve for x
    x = 874,870,094.35/45,967.46
  6. Step 6: Final answer
    x = 19,032.38

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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.