Home / 122,323.43-168,806.64-71,371.19

Finding the Fourth Proportional to 122,323.43, 168,806.64 and 71,371.19

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Solution

The fourth proportional to 122,323.43, 168,806.64 and 71,371.19 is: 98,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,323.43 : 168,806.64 = 71,371.19 : x
  2. Step 2: Convert to fraction form
    122,323.43/168,806.64 = 71,371.19/x
  3. Step 3: Cross multiply
    122,323.43x = 168,806.64 × 71,371.19
  4. Step 4: Simplify right side
    122,323.43x = 12,047,931,466.36
  5. Step 5: Solve for x
    x = 12,047,931,466.36/122,323.43
  6. Step 6: Final answer
    x = 98,492.42

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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.