Home / 92,684.36-139,037.47-69,458.42

Finding the Fourth Proportional to 92,684.36, 139,037.47 and 69,458.42

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Solution

The fourth proportional to 92,684.36, 139,037.47 and 69,458.42 is: 104,195.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,684.36 : 139,037.47 = 69,458.42 : x
  2. Step 2: Convert to fraction form
    92,684.36/139,037.47 = 69,458.42/x
  3. Step 3: Cross multiply
    92,684.36x = 139,037.47 × 69,458.42
  4. Step 4: Simplify right side
    92,684.36x = 9,657,322,118.16
  5. Step 5: Solve for x
    x = 9,657,322,118.16/92,684.36
  6. Step 6: Final answer
    x = 104,195.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.