Home / 104,969.13-157,288.45-65,467.05

Finding the Fourth Proportional to 104,969.13, 157,288.45 and 65,467.05

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Solution

The fourth proportional to 104,969.13, 157,288.45 and 65,467.05 is: 98,097.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,969.13 : 157,288.45 = 65,467.05 : x
  2. Step 2: Convert to fraction form
    104,969.13/157,288.45 = 65,467.05/x
  3. Step 3: Cross multiply
    104,969.13x = 157,288.45 × 65,467.05
  4. Step 4: Simplify right side
    104,969.13x = 10,297,210,820.57
  5. Step 5: Solve for x
    x = 10,297,210,820.57/104,969.13
  6. Step 6: Final answer
    x = 98,097.52

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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.