Home / 75,012.21-103,527.72-43,180.83

Finding the Fourth Proportional to 75,012.21, 103,527.72 and 43,180.83

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Solution

The fourth proportional to 75,012.21, 103,527.72 and 43,180.83 is: 59,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,012.21 : 103,527.72 = 43,180.83 : x
  2. Step 2: Convert to fraction form
    75,012.21/103,527.72 = 43,180.83/x
  3. Step 3: Cross multiply
    75,012.21x = 103,527.72 × 43,180.83
  4. Step 4: Simplify right side
    75,012.21x = 4,470,412,877.61
  5. Step 5: Solve for x
    x = 4,470,412,877.61/75,012.21
  6. Step 6: Final answer
    x = 59,595.80

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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.