Home / 117,539.10-162,273.18-71,616.06

Finding the Fourth Proportional to 117,539.10, 162,273.18 and 71,616.06

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Solution

The fourth proportional to 117,539.10, 162,273.18 and 71,616.06 is: 98,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,539.10 : 162,273.18 = 71,616.06 : x
  2. Step 2: Convert to fraction form
    117,539.10/162,273.18 = 71,616.06/x
  3. Step 3: Cross multiply
    117,539.10x = 162,273.18 × 71,616.06
  4. Step 4: Simplify right side
    117,539.10x = 11,621,365,795.27
  5. Step 5: Solve for x
    x = 11,621,365,795.27/117,539.10
  6. Step 6: Final answer
    x = 98,872.34

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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.