Home / 104,927.08-157,433.70-76,989.64

Finding the Fourth Proportional to 104,927.08, 157,433.70 and 76,989.64

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Solution

The fourth proportional to 104,927.08, 157,433.70 and 76,989.64 is: 115,516.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,927.08 : 157,433.70 = 76,989.64 : x
  2. Step 2: Convert to fraction form
    104,927.08/157,433.70 = 76,989.64/x
  3. Step 3: Cross multiply
    104,927.08x = 157,433.70 × 76,989.64
  4. Step 4: Simplify right side
    104,927.08x = 12,120,763,886.87
  5. Step 5: Solve for x
    x = 12,120,763,886.87/104,927.08
  6. Step 6: Final answer
    x = 115,516.07

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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.