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Finding the Fourth Proportional to 80,400.55, 110,959.40 and 44,602.10

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Solution

The fourth proportional to 80,400.55, 110,959.40 and 44,602.10 is: 61,554.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,400.55 : 110,959.40 = 44,602.10 : x
  2. Step 2: Convert to fraction form
    80,400.55/110,959.40 = 44,602.10/x
  3. Step 3: Cross multiply
    80,400.55x = 110,959.40 × 44,602.10
  4. Step 4: Simplify right side
    80,400.55x = 4,949,022,254.74
  5. Step 5: Solve for x
    x = 4,949,022,254.74/80,400.55
  6. Step 6: Final answer
    x = 61,554.58

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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.