Home / 104,820.62-157,128.39-41,619.71

Finding the Fourth Proportional to 104,820.62, 157,128.39 and 41,619.71

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Solution

The fourth proportional to 104,820.62, 157,128.39 and 41,619.71 is: 62,388.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,820.62 : 157,128.39 = 41,619.71 : x
  2. Step 2: Convert to fraction form
    104,820.62/157,128.39 = 41,619.71/x
  3. Step 3: Cross multiply
    104,820.62x = 157,128.39 × 41,619.71
  4. Step 4: Simplify right side
    104,820.62x = 6,539,638,417.39
  5. Step 5: Solve for x
    x = 6,539,638,417.39/104,820.62
  6. Step 6: Final answer
    x = 62,388.86

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1.5x scale

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.