Home / 68,766.37-103,155.02-29,323.82

Finding the Fourth Proportional to 68,766.37, 103,155.02 and 29,323.82

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Solution

The fourth proportional to 68,766.37, 103,155.02 and 29,323.82 is: 43,988.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,766.37 : 103,155.02 = 29,323.82 : x
  2. Step 2: Convert to fraction form
    68,766.37/103,155.02 = 29,323.82/x
  3. Step 3: Cross multiply
    68,766.37x = 103,155.02 × 29,323.82
  4. Step 4: Simplify right side
    68,766.37x = 3,024,899,459.81
  5. Step 5: Solve for x
    x = 3,024,899,459.81/68,766.37
  6. Step 6: Final answer
    x = 43,988.07

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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.