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Finding the Fourth Proportional to 80,403.71, 110,963.93 and 44,605.25

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Solution

The fourth proportional to 80,403.71, 110,963.93 and 44,605.25 is: 61,559.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,403.71 : 110,963.93 = 44,605.25 : x
  2. Step 2: Convert to fraction form
    80,403.71/110,963.93 = 44,605.25/x
  3. Step 3: Cross multiply
    80,403.71x = 110,963.93 × 44,605.25
  4. Step 4: Simplify right side
    80,403.71x = 4,949,573,838.63
  5. Step 5: Solve for x
    x = 4,949,573,838.63/80,403.71
  6. Step 6: Final answer
    x = 61,559.02

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1.5x scale

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.