Home / 96,669.20-145,003.80-65,176.40

Finding the Fourth Proportional to 96,669.20, 145,003.80 and 65,176.40

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Solution

The fourth proportional to 96,669.20, 145,003.80 and 65,176.40 is: 97,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,669.20 : 145,003.80 = 65,176.40 : x
  2. Step 2: Convert to fraction form
    96,669.20/145,003.80 = 65,176.40/x
  3. Step 3: Cross multiply
    96,669.20x = 145,003.80 × 65,176.40
  4. Step 4: Simplify right side
    96,669.20x = 9,450,825,670.32
  5. Step 5: Solve for x
    x = 9,450,825,670.32/96,669.20
  6. Step 6: Final answer
    x = 97,764.60

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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.