Home / 86,942.04-130,294.74-36,959.32

Finding the Fourth Proportional to 86,942.04, 130,294.74 and 36,959.32

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Solution

The fourth proportional to 86,942.04, 130,294.74 and 36,959.32 is: 55,388.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,942.04 : 130,294.74 = 36,959.32 : x
  2. Step 2: Convert to fraction form
    86,942.04/130,294.74 = 36,959.32/x
  3. Step 3: Cross multiply
    86,942.04x = 130,294.74 × 36,959.32
  4. Step 4: Simplify right side
    86,942.04x = 4,815,604,989.98
  5. Step 5: Solve for x
    x = 4,815,604,989.98/86,942.04
  6. Step 6: Final answer
    x = 55,388.68

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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.