Home / 113,715.27-156,977.51-73,448.67

Finding the Fourth Proportional to 113,715.27, 156,977.51 and 73,448.67

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Solution

The fourth proportional to 113,715.27, 156,977.51 and 73,448.67 is: 101,391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,715.27 : 156,977.51 = 73,448.67 : x
  2. Step 2: Convert to fraction form
    113,715.27/156,977.51 = 73,448.67/x
  3. Step 3: Cross multiply
    113,715.27x = 156,977.51 × 73,448.67
  4. Step 4: Simplify right side
    113,715.27x = 11,529,789,329.41
  5. Step 5: Solve for x
    x = 11,529,789,329.41/113,715.27
  6. Step 6: Final answer
    x = 101,391.74

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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.