Home / 96,984.30-145,629.46-57,716.68

Finding the Fourth Proportional to 96,984.30, 145,629.46 and 57,716.68

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Solution

The fourth proportional to 96,984.30, 145,629.46 and 57,716.68 is: 86,666.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,984.30 : 145,629.46 = 57,716.68 : x
  2. Step 2: Convert to fraction form
    96,984.30/145,629.46 = 57,716.68/x
  3. Step 3: Cross multiply
    96,984.30x = 145,629.46 × 57,716.68
  4. Step 4: Simplify right side
    96,984.30x = 8,405,248,941.39
  5. Step 5: Solve for x
    x = 8,405,248,941.39/96,984.30
  6. Step 6: Final answer
    x = 86,666.08

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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.