Home / 80,698.18-111,352.89-44,881.06

Finding the Fourth Proportional to 80,698.18, 111,352.89 and 44,881.06

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Solution

The fourth proportional to 80,698.18, 111,352.89 and 44,881.06 is: 61,929.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,698.18 : 111,352.89 = 44,881.06 : x
  2. Step 2: Convert to fraction form
    80,698.18/111,352.89 = 44,881.06/x
  3. Step 3: Cross multiply
    80,698.18x = 111,352.89 × 44,881.06
  4. Step 4: Simplify right side
    80,698.18x = 4,997,635,737.26
  5. Step 5: Solve for x
    x = 4,997,635,737.26/80,698.18
  6. Step 6: Final answer
    x = 61,929.97

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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.