Home / 60,640.14-83,683.44-33,782.72

Finding the Fourth Proportional to 60,640.14, 83,683.44 and 33,782.72

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Solution

The fourth proportional to 60,640.14, 83,683.44 and 33,782.72 is: 46,620.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,640.14 : 83,683.44 = 33,782.72 : x
  2. Step 2: Convert to fraction form
    60,640.14/83,683.44 = 33,782.72/x
  3. Step 3: Cross multiply
    60,640.14x = 83,683.44 × 33,782.72
  4. Step 4: Simplify right side
    60,640.14x = 2,827,053,803.74
  5. Step 5: Solve for x
    x = 2,827,053,803.74/60,640.14
  6. Step 6: Final answer
    x = 46,620.17

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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.