Home / 80,878.04-111,612.14-46,906.66

Finding the Fourth Proportional to 80,878.04, 111,612.14 and 46,906.66

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Solution

The fourth proportional to 80,878.04, 111,612.14 and 46,906.66 is: 64,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,878.04 : 111,612.14 = 46,906.66 : x
  2. Step 2: Convert to fraction form
    80,878.04/111,612.14 = 46,906.66/x
  3. Step 3: Cross multiply
    80,878.04x = 111,612.14 × 46,906.66
  4. Step 4: Simplify right side
    80,878.04x = 5,235,352,702.85
  5. Step 5: Solve for x
    x = 5,235,352,702.85/80,878.04
  6. Step 6: Final answer
    x = 64,731.45

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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.