Home / 80,816.48-111,525-44,518.94

Finding the Fourth Proportional to 80,816.48, 111,525 and 44,518.94

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Solution

The fourth proportional to 80,816.48, 111,525 and 44,518.94 is: 61,435.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,816.48 : 111,525 = 44,518.94 : x
  2. Step 2: Convert to fraction form
    80,816.48/111,525 = 44,518.94/x
  3. Step 3: Cross multiply
    80,816.48x = 111,525 × 44,518.94
  4. Step 4: Simplify right side
    80,816.48x = 4,964,974,783.50
  5. Step 5: Solve for x
    x = 4,964,974,783.50/80,816.48
  6. Step 6: Final answer
    x = 61,435.18

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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.