Home / 113,824.18-157,078.64-62,836.94

Finding the Fourth Proportional to 113,824.18, 157,078.64 and 62,836.94

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Solution

The fourth proportional to 113,824.18, 157,078.64 and 62,836.94 is: 86,715.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,824.18 : 157,078.64 = 62,836.94 : x
  2. Step 2: Convert to fraction form
    113,824.18/157,078.64 = 62,836.94/x
  3. Step 3: Cross multiply
    113,824.18x = 157,078.64 × 62,836.94
  4. Step 4: Simplify right side
    113,824.18x = 9,870,339,977.38
  5. Step 5: Solve for x
    x = 9,870,339,977.38/113,824.18
  6. Step 6: Final answer
    x = 86,715.67

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1.5x scale

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.