Home / 117,806.64-162,511.20-70,026

Finding the Fourth Proportional to 117,806.64, 162,511.20 and 70,026

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Solution

The fourth proportional to 117,806.64, 162,511.20 and 70,026 is: 96,599.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,806.64 : 162,511.20 = 70,026 : x
  2. Step 2: Convert to fraction form
    117,806.64/162,511.20 = 70,026/x
  3. Step 3: Cross multiply
    117,806.64x = 162,511.20 × 70,026
  4. Step 4: Simplify right side
    117,806.64x = 11,380,009,291.20
  5. Step 5: Solve for x
    x = 11,380,009,291.20/117,806.64
  6. Step 6: Final answer
    x = 96,599.05

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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.