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Finding the Fourth Proportional to 64,370.75, 96,570.03 and 26,420.10

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Solution

The fourth proportional to 64,370.75, 96,570.03 and 26,420.10 is: 39,635.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,370.75 : 96,570.03 = 26,420.10 : x
  2. Step 2: Convert to fraction form
    64,370.75/96,570.03 = 26,420.10/x
  3. Step 3: Cross multiply
    64,370.75x = 96,570.03 × 26,420.10
  4. Step 4: Simplify right side
    64,370.75x = 2,551,389,849.60
  5. Step 5: Solve for x
    x = 2,551,389,849.60/64,370.75
  6. Step 6: Final answer
    x = 39,635.86

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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.