Home / 117,763.57-162,509.05-64,048.56

Finding the Fourth Proportional to 117,763.57, 162,509.05 and 64,048.56

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Solution

The fourth proportional to 117,763.57, 162,509.05 and 64,048.56 is: 88,384.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,763.57 : 162,509.05 = 64,048.56 : x
  2. Step 2: Convert to fraction form
    117,763.57/162,509.05 = 64,048.56/x
  3. Step 3: Cross multiply
    117,763.57x = 162,509.05 × 64,048.56
  4. Step 4: Simplify right side
    117,763.57x = 10,408,470,639.47
  5. Step 5: Solve for x
    x = 10,408,470,639.47/117,763.57
  6. Step 6: Final answer
    x = 88,384.47

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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.