Home / 98,622.48-136,065.78-56,150.94

Finding the Fourth Proportional to 98,622.48, 136,065.78 and 56,150.94

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Solution

The fourth proportional to 98,622.48, 136,065.78 and 56,150.94 is: 77,469.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,622.48 : 136,065.78 = 56,150.94 : x
  2. Step 2: Convert to fraction form
    98,622.48/136,065.78 = 56,150.94/x
  3. Step 3: Cross multiply
    98,622.48x = 136,065.78 × 56,150.94
  4. Step 4: Simplify right side
    98,622.48x = 7,640,221,448.83
  5. Step 5: Solve for x
    x = 7,640,221,448.83/98,622.48
  6. Step 6: Final answer
    x = 77,469.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.