Home / 96,840.12-145,128.75-46,820.58

Finding the Fourth Proportional to 96,840.12, 145,128.75 and 46,820.58

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Solution

The fourth proportional to 96,840.12, 145,128.75 and 46,820.58 is: 70,167.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,840.12 : 145,128.75 = 46,820.58 : x
  2. Step 2: Convert to fraction form
    96,840.12/145,128.75 = 46,820.58/x
  3. Step 3: Cross multiply
    96,840.12x = 145,128.75 × 46,820.58
  4. Step 4: Simplify right side
    96,840.12x = 6,795,012,249.68
  5. Step 5: Solve for x
    x = 6,795,012,249.68/96,840.12
  6. Step 6: Final answer
    x = 70,167.33

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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.