Home / 111,826.80-154,317.60-61,525.68

Finding the Fourth Proportional to 111,826.80, 154,317.60 and 61,525.68

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Solution

The fourth proportional to 111,826.80, 154,317.60 and 61,525.68 is: 84,903.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,826.80 : 154,317.60 = 61,525.68 : x
  2. Step 2: Convert to fraction form
    111,826.80/154,317.60 = 61,525.68/x
  3. Step 3: Cross multiply
    111,826.80x = 154,317.60 × 61,525.68
  4. Step 4: Simplify right side
    111,826.80x = 9,494,495,275.97
  5. Step 5: Solve for x
    x = 9,494,495,275.97/111,826.80
  6. Step 6: Final answer
    x = 84,903.58

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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.