Home / 91,336.77-125,962.83-76,074

Finding the Fourth Proportional to 91,336.77, 125,962.83 and 76,074

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Solution

The fourth proportional to 91,336.77, 125,962.83 and 76,074 is: 104,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,336.77 : 125,962.83 = 76,074 : x
  2. Step 2: Convert to fraction form
    91,336.77/125,962.83 = 76,074/x
  3. Step 3: Cross multiply
    91,336.77x = 125,962.83 × 76,074
  4. Step 4: Simplify right side
    91,336.77x = 9,582,496,329.42
  5. Step 5: Solve for x
    x = 9,582,496,329.42/91,336.77
  6. Step 6: Final answer
    x = 104,913.90

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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.