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Finding the Fourth Proportional to 65,903.26, 98,867.30 and 26,463.40

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Solution

The fourth proportional to 65,903.26, 98,867.30 and 26,463.40 is: 39,700.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,903.26 : 98,867.30 = 26,463.40 : x
  2. Step 2: Convert to fraction form
    65,903.26/98,867.30 = 26,463.40/x
  3. Step 3: Cross multiply
    65,903.26x = 98,867.30 × 26,463.40
  4. Step 4: Simplify right side
    65,903.26x = 2,616,364,906.82
  5. Step 5: Solve for x
    x = 2,616,364,906.82/65,903.26
  6. Step 6: Final answer
    x = 39,700.08

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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.