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Finding the Fourth Proportional to 73,643.77, 101,629.08 and 41,813.35

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Solution

The fourth proportional to 73,643.77, 101,629.08 and 41,813.35 is: 57,702.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,643.77 : 101,629.08 = 41,813.35 : x
  2. Step 2: Convert to fraction form
    73,643.77/101,629.08 = 41,813.35/x
  3. Step 3: Cross multiply
    73,643.77x = 101,629.08 × 41,813.35
  4. Step 4: Simplify right side
    73,643.77x = 4,249,452,292.22
  5. Step 5: Solve for x
    x = 4,249,452,292.22/73,643.77
  6. Step 6: Final answer
    x = 57,702.81

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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.