Home / 118,028.49-162,879.35-64,313.52

Finding the Fourth Proportional to 118,028.49, 162,879.35 and 64,313.52

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Solution

The fourth proportional to 118,028.49, 162,879.35 and 64,313.52 is: 88,752.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,028.49 : 162,879.35 = 64,313.52 : x
  2. Step 2: Convert to fraction form
    118,028.49/162,879.35 = 64,313.52/x
  3. Step 3: Cross multiply
    118,028.49x = 162,879.35 × 64,313.52
  4. Step 4: Simplify right side
    118,028.49x = 10,475,344,012.24
  5. Step 5: Solve for x
    x = 10,475,344,012.24/118,028.49
  6. Step 6: Final answer
    x = 88,752.67

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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.