Home / 85,497.37-128,259.83-26,333.02

Finding the Fourth Proportional to 85,497.37, 128,259.83 and 26,333.02

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Solution

The fourth proportional to 85,497.37, 128,259.83 and 26,333.02 is: 39,503.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,497.37 : 128,259.83 = 26,333.02 : x
  2. Step 2: Convert to fraction form
    85,497.37/128,259.83 = 26,333.02/x
  3. Step 3: Cross multiply
    85,497.37x = 128,259.83 × 26,333.02
  4. Step 4: Simplify right side
    85,497.37x = 3,377,468,668.59
  5. Step 5: Solve for x
    x = 3,377,468,668.59/85,497.37
  6. Step 6: Final answer
    x = 39,503.77

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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.