Home / 96,845.06-145,539.75-57,407.78

Finding the Fourth Proportional to 96,845.06, 145,539.75 and 57,407.78

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Solution

The fourth proportional to 96,845.06, 145,539.75 and 57,407.78 is: 86,273.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,845.06 : 145,539.75 = 57,407.78 : x
  2. Step 2: Convert to fraction form
    96,845.06/145,539.75 = 57,407.78/x
  3. Step 3: Cross multiply
    96,845.06x = 145,539.75 × 57,407.78
  4. Step 4: Simplify right side
    96,845.06x = 8,355,113,949.26
  5. Step 5: Solve for x
    x = 8,355,113,949.26/96,845.06
  6. Step 6: Final answer
    x = 86,273.00

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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.