Home / 62,921.69-94,382.44-43,140.28

Finding the Fourth Proportional to 62,921.69, 94,382.44 and 43,140.28

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Solution

The fourth proportional to 62,921.69, 94,382.44 and 43,140.28 is: 64,710.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,921.69 : 94,382.44 = 43,140.28 : x
  2. Step 2: Convert to fraction form
    62,921.69/94,382.44 = 43,140.28/x
  3. Step 3: Cross multiply
    62,921.69x = 94,382.44 × 43,140.28
  4. Step 4: Simplify right side
    62,921.69x = 4,071,684,544.88
  5. Step 5: Solve for x
    x = 4,071,684,544.88/62,921.69
  6. Step 6: Final answer
    x = 64,710.35

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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.