Home / 45,946.49-68,929.30-14,355.28

Finding the Fourth Proportional to 45,946.49, 68,929.30 and 14,355.28

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Solution

The fourth proportional to 45,946.49, 68,929.30 and 14,355.28 is: 21,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,946.49 : 68,929.30 = 14,355.28 : x
  2. Step 2: Convert to fraction form
    45,946.49/68,929.30 = 14,355.28/x
  3. Step 3: Cross multiply
    45,946.49x = 68,929.30 × 14,355.28
  4. Step 4: Simplify right side
    45,946.49x = 989,499,247.32
  5. Step 5: Solve for x
    x = 989,499,247.32/45,946.49
  6. Step 6: Final answer
    x = 21,535.90

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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.