Home / 104,846.39-157,114.06-77,008.31

Finding the Fourth Proportional to 104,846.39, 157,114.06 and 77,008.31

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Solution

The fourth proportional to 104,846.39, 157,114.06 and 77,008.31 is: 115,398.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,846.39 : 157,114.06 = 77,008.31 : x
  2. Step 2: Convert to fraction form
    104,846.39/157,114.06 = 77,008.31/x
  3. Step 3: Cross multiply
    104,846.39x = 157,114.06 × 77,008.31
  4. Step 4: Simplify right side
    104,846.39x = 12,099,088,237.84
  5. Step 5: Solve for x
    x = 12,099,088,237.84/104,846.39
  6. Step 6: Final answer
    x = 115,398.23

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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.