Home / 77,639.46-116,483.80-27,718.45

Finding the Fourth Proportional to 77,639.46, 116,483.80 and 27,718.45

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Solution

The fourth proportional to 77,639.46, 116,483.80 and 27,718.45 is: 41,586.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,639.46 : 116,483.80 = 27,718.45 : x
  2. Step 2: Convert to fraction form
    77,639.46/116,483.80 = 27,718.45/x
  3. Step 3: Cross multiply
    77,639.46x = 116,483.80 × 27,718.45
  4. Step 4: Simplify right side
    77,639.46x = 3,228,750,654.84
  5. Step 5: Solve for x
    x = 3,228,750,654.84/77,639.46
  6. Step 6: Final answer
    x = 41,586.46

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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.