Home / 72,982.48-100,626.35-60,016.45

Finding the Fourth Proportional to 72,982.48, 100,626.35 and 60,016.45

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Solution

The fourth proportional to 72,982.48, 100,626.35 and 60,016.45 is: 82,749.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,982.48 : 100,626.35 = 60,016.45 : x
  2. Step 2: Convert to fraction form
    72,982.48/100,626.35 = 60,016.45/x
  3. Step 3: Cross multiply
    72,982.48x = 100,626.35 × 60,016.45
  4. Step 4: Simplify right side
    72,982.48x = 6,039,236,303.46
  5. Step 5: Solve for x
    x = 6,039,236,303.46/72,982.48
  6. Step 6: Final answer
    x = 82,749.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.