Home / 80,651.10-111,295.32-44,838.48

Finding the Fourth Proportional to 80,651.10, 111,295.32 and 44,838.48

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Solution

The fourth proportional to 80,651.10, 111,295.32 and 44,838.48 is: 61,875.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,651.10 : 111,295.32 = 44,838.48 : x
  2. Step 2: Convert to fraction form
    80,651.10/111,295.32 = 44,838.48/x
  3. Step 3: Cross multiply
    80,651.10x = 111,295.32 × 44,838.48
  4. Step 4: Simplify right side
    80,651.10x = 4,990,312,979.91
  5. Step 5: Solve for x
    x = 4,990,312,979.91/80,651.10
  6. Step 6: Final answer
    x = 61,875.32

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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.