Home / 80,477.53-111,053.78-44,667.55

Finding the Fourth Proportional to 80,477.53, 111,053.78 and 44,667.55

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Solution

The fourth proportional to 80,477.53, 111,053.78 and 44,667.55 is: 61,638.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,477.53 : 111,053.78 = 44,667.55 : x
  2. Step 2: Convert to fraction form
    80,477.53/111,053.78 = 44,667.55/x
  3. Step 3: Cross multiply
    80,477.53x = 111,053.78 × 44,667.55
  4. Step 4: Simplify right side
    80,477.53x = 4,960,500,047.50
  5. Step 5: Solve for x
    x = 4,960,500,047.50/80,477.53
  6. Step 6: Final answer
    x = 61,638.32

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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.