Home / 89,237.83-133,813.68-51,807.33

Finding the Fourth Proportional to 89,237.83, 133,813.68 and 51,807.33

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Solution

The fourth proportional to 89,237.83, 133,813.68 and 51,807.33 is: 77,685.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,237.83 : 133,813.68 = 51,807.33 : x
  2. Step 2: Convert to fraction form
    89,237.83/133,813.68 = 51,807.33/x
  3. Step 3: Cross multiply
    89,237.83x = 133,813.68 × 51,807.33
  4. Step 4: Simplify right side
    89,237.83x = 6,932,529,478.27
  5. Step 5: Solve for x
    x = 6,932,529,478.27/89,237.83
  6. Step 6: Final answer
    x = 77,685.99

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1.5x scale

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.