Home / 80,621.52-111,240.54-44,804.04

Finding the Fourth Proportional to 80,621.52, 111,240.54 and 44,804.04

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Solution

The fourth proportional to 80,621.52, 111,240.54 and 44,804.04 is: 61,820.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,621.52 : 111,240.54 = 44,804.04 : x
  2. Step 2: Convert to fraction form
    80,621.52/111,240.54 = 44,804.04/x
  3. Step 3: Cross multiply
    80,621.52x = 111,240.54 × 44,804.04
  4. Step 4: Simplify right side
    80,621.52x = 4,984,025,603.78
  5. Step 5: Solve for x
    x = 4,984,025,603.78/80,621.52
  6. Step 6: Final answer
    x = 61,820.04

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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.