Home / 75,348.12-103,981.02-41,814.68

Finding the Fourth Proportional to 75,348.12, 103,981.02 and 41,814.68

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Solution

The fourth proportional to 75,348.12, 103,981.02 and 41,814.68 is: 57,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,348.12 : 103,981.02 = 41,814.68 : x
  2. Step 2: Convert to fraction form
    75,348.12/103,981.02 = 41,814.68/x
  3. Step 3: Cross multiply
    75,348.12x = 103,981.02 × 41,814.68
  4. Step 4: Simplify right side
    75,348.12x = 4,347,933,077.37
  5. Step 5: Solve for x
    x = 4,347,933,077.37/75,348.12
  6. Step 6: Final answer
    x = 57,704.60

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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.