Home / 82,875.78-114,338.58-54,211.81

Finding the Fourth Proportional to 82,875.78, 114,338.58 and 54,211.81

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Solution

The fourth proportional to 82,875.78, 114,338.58 and 54,211.81 is: 74,792.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,875.78 : 114,338.58 = 54,211.81 : x
  2. Step 2: Convert to fraction form
    82,875.78/114,338.58 = 54,211.81/x
  3. Step 3: Cross multiply
    82,875.78x = 114,338.58 × 54,211.81
  4. Step 4: Simplify right side
    82,875.78x = 6,198,501,088.78
  5. Step 5: Solve for x
    x = 6,198,501,088.78/82,875.78
  6. Step 6: Final answer
    x = 74,792.67

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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.