Home / 80,453.10-111,030.50-44,643.20

Finding the Fourth Proportional to 80,453.10, 111,030.50 and 44,643.20

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Solution

The fourth proportional to 80,453.10, 111,030.50 and 44,643.20 is: 61,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,453.10 : 111,030.50 = 44,643.20 : x
  2. Step 2: Convert to fraction form
    80,453.10/111,030.50 = 44,643.20/x
  3. Step 3: Cross multiply
    80,453.10x = 111,030.50 × 44,643.20
  4. Step 4: Simplify right side
    80,453.10x = 4,956,756,747.48
  5. Step 5: Solve for x
    x = 4,956,756,747.48/80,453.10
  6. Step 6: Final answer
    x = 61,610.51

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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.