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Finding the Fourth Proportional to 77,241.30, 115,880.45 and 32,237.63

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Solution

The fourth proportional to 77,241.30, 115,880.45 and 32,237.63 is: 48,364.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,241.30 : 115,880.45 = 32,237.63 : x
  2. Step 2: Convert to fraction form
    77,241.30/115,880.45 = 32,237.63/x
  3. Step 3: Cross multiply
    77,241.30x = 115,880.45 × 32,237.63
  4. Step 4: Simplify right side
    77,241.30x = 3,735,710,910.15
  5. Step 5: Solve for x
    x = 3,735,710,910.15/77,241.30
  6. Step 6: Final answer
    x = 48,364.16

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1.5x scale

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.