Home / 56,081.91-77,384.19-33,420.34

Finding the Fourth Proportional to 56,081.91, 77,384.19 and 33,420.34

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Solution

The fourth proportional to 56,081.91, 77,384.19 and 33,420.34 is: 46,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,081.91 : 77,384.19 = 33,420.34 : x
  2. Step 2: Convert to fraction form
    56,081.91/77,384.19 = 33,420.34/x
  3. Step 3: Cross multiply
    56,081.91x = 77,384.19 × 33,420.34
  4. Step 4: Simplify right side
    56,081.91x = 2,586,205,940.42
  5. Step 5: Solve for x
    x = 2,586,205,940.42/56,081.91
  6. Step 6: Final answer
    x = 46,114.80

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1.5x scale

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.