Home / 76,300.81-114,434.74-48,183.30

Finding the Fourth Proportional to 76,300.81, 114,434.74 and 48,183.30

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Solution

The fourth proportional to 76,300.81, 114,434.74 and 48,183.30 is: 72,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,300.81 : 114,434.74 = 48,183.30 : x
  2. Step 2: Convert to fraction form
    76,300.81/114,434.74 = 48,183.30/x
  3. Step 3: Cross multiply
    76,300.81x = 114,434.74 × 48,183.30
  4. Step 4: Simplify right side
    76,300.81x = 5,513,843,407.84
  5. Step 5: Solve for x
    x = 5,513,843,407.84/76,300.81
  6. Step 6: Final answer
    x = 72,264.55

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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.