Home / 112,042.08-168,059.75-45,480.60

Finding the Fourth Proportional to 112,042.08, 168,059.75 and 45,480.60

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Solution

The fourth proportional to 112,042.08, 168,059.75 and 45,480.60 is: 68,219.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,042.08 : 168,059.75 = 45,480.60 : x
  2. Step 2: Convert to fraction form
    112,042.08/168,059.75 = 45,480.60/x
  3. Step 3: Cross multiply
    112,042.08x = 168,059.75 × 45,480.60
  4. Step 4: Simplify right side
    112,042.08x = 7,643,458,038.45
  5. Step 5: Solve for x
    x = 7,643,458,038.45/112,042.08
  6. Step 6: Final answer
    x = 68,219.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.