Home / 117,627.08-162,359.70-71,703.32

Finding the Fourth Proportional to 117,627.08, 162,359.70 and 71,703.32

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Solution

The fourth proportional to 117,627.08, 162,359.70 and 71,703.32 is: 98,971.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,627.08 : 162,359.70 = 71,703.32 : x
  2. Step 2: Convert to fraction form
    117,627.08/162,359.70 = 71,703.32/x
  3. Step 3: Cross multiply
    117,627.08x = 162,359.70 × 71,703.32
  4. Step 4: Simplify right side
    117,627.08x = 11,641,729,524.20
  5. Step 5: Solve for x
    x = 11,641,729,524.20/117,627.08
  6. Step 6: Final answer
    x = 98,971.51

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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.