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Finding the Fourth Proportional to 65,901.26, 90,941.73 and 37,605.53

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Solution

The fourth proportional to 65,901.26, 90,941.73 and 37,605.53 is: 51,894.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,901.26 : 90,941.73 = 37,605.53 : x
  2. Step 2: Convert to fraction form
    65,901.26/90,941.73 = 37,605.53/x
  3. Step 3: Cross multiply
    65,901.26x = 90,941.73 × 37,605.53
  4. Step 4: Simplify right side
    65,901.26x = 3,419,911,955.77
  5. Step 5: Solve for x
    x = 3,419,911,955.77/65,901.26
  6. Step 6: Final answer
    x = 51,894.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.