Home / 104,927.40-157,439.70-55,063.80

Finding the Fourth Proportional to 104,927.40, 157,439.70 and 55,063.80

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Solution

The fourth proportional to 104,927.40, 157,439.70 and 55,063.80 is: 82,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,927.40 : 157,439.70 = 55,063.80 : x
  2. Step 2: Convert to fraction form
    104,927.40/157,439.70 = 55,063.80/x
  3. Step 3: Cross multiply
    104,927.40x = 157,439.70 × 55,063.80
  4. Step 4: Simplify right side
    104,927.40x = 8,669,228,152.86
  5. Step 5: Solve for x
    x = 8,669,228,152.86/104,927.40
  6. Step 6: Final answer
    x = 82,621.20

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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.