Home / 117,471.83-162,071.66-75,055.19

Finding the Fourth Proportional to 117,471.83, 162,071.66 and 75,055.19

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Solution

The fourth proportional to 117,471.83, 162,071.66 and 75,055.19 is: 103,550.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,471.83 : 162,071.66 = 75,055.19 : x
  2. Step 2: Convert to fraction form
    117,471.83/162,071.66 = 75,055.19/x
  3. Step 3: Cross multiply
    117,471.83x = 162,071.66 × 75,055.19
  4. Step 4: Simplify right side
    117,471.83x = 12,164,318,612.20
  5. Step 5: Solve for x
    x = 12,164,318,612.20/117,471.83
  6. Step 6: Final answer
    x = 103,550.95

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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.