Home / 118,035.92-162,887.44-64,321.28

Finding the Fourth Proportional to 118,035.92, 162,887.44 and 64,321.28

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Solution

The fourth proportional to 118,035.92, 162,887.44 and 64,321.28 is: 88,762.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,035.92 : 162,887.44 = 64,321.28 : x
  2. Step 2: Convert to fraction form
    118,035.92/162,887.44 = 64,321.28/x
  3. Step 3: Cross multiply
    118,035.92x = 162,887.44 × 64,321.28
  4. Step 4: Simplify right side
    118,035.92x = 10,477,128,636.72
  5. Step 5: Solve for x
    x = 10,477,128,636.72/118,035.92
  6. Step 6: Final answer
    x = 88,762.21

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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.