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Finding the Fourth Proportional to 64,670.98, 96,826.22 and 33,012.94

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Solution

The fourth proportional to 64,670.98, 96,826.22 and 33,012.94 is: 49,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,670.98 : 96,826.22 = 33,012.94 : x
  2. Step 2: Convert to fraction form
    64,670.98/96,826.22 = 33,012.94/x
  3. Step 3: Cross multiply
    64,670.98x = 96,826.22 × 33,012.94
  4. Step 4: Simplify right side
    64,670.98x = 3,196,518,191.29
  5. Step 5: Solve for x
    x = 3,196,518,191.29/64,670.98
  6. Step 6: Final answer
    x = 49,427.40

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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.