Home / 104,972.80-157,460.40-26,087.20

Finding the Fourth Proportional to 104,972.80, 157,460.40 and 26,087.20

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Solution

The fourth proportional to 104,972.80, 157,460.40 and 26,087.20 is: 39,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,972.80 : 157,460.40 = 26,087.20 : x
  2. Step 2: Convert to fraction form
    104,972.80/157,460.40 = 26,087.20/x
  3. Step 3: Cross multiply
    104,972.80x = 157,460.40 × 26,087.20
  4. Step 4: Simplify right side
    104,972.80x = 4,107,700,946.88
  5. Step 5: Solve for x
    x = 4,107,700,946.88/104,972.80
  6. Step 6: Final answer
    x = 39,131.10

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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.