Home / 62,798.20-94,138.74-21,216.12

Finding the Fourth Proportional to 62,798.20, 94,138.74 and 21,216.12

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Solution

The fourth proportional to 62,798.20, 94,138.74 and 21,216.12 is: 31,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,798.20 : 94,138.74 = 21,216.12 : x
  2. Step 2: Convert to fraction form
    62,798.20/94,138.74 = 21,216.12/x
  3. Step 3: Cross multiply
    62,798.20x = 94,138.74 × 21,216.12
  4. Step 4: Simplify right side
    62,798.20x = 1,997,258,804.49
  5. Step 5: Solve for x
    x = 1,997,258,804.49/62,798.20
  6. Step 6: Final answer
    x = 31,804.40

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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.