Home / 80,420.12-110,970.80-44,601.15

Finding the Fourth Proportional to 80,420.12, 110,970.80 and 44,601.15

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Solution

The fourth proportional to 80,420.12, 110,970.80 and 44,601.15 is: 61,544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,420.12 : 110,970.80 = 44,601.15 : x
  2. Step 2: Convert to fraction form
    80,420.12/110,970.80 = 44,601.15/x
  3. Step 3: Cross multiply
    80,420.12x = 110,970.80 × 44,601.15
  4. Step 4: Simplify right side
    80,420.12x = 4,949,425,296.42
  5. Step 5: Solve for x
    x = 4,949,425,296.42/80,420.12
  6. Step 6: Final answer
    x = 61,544.62

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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.