Home / 75,434.60-113,216.70-33,379.40

Finding the Fourth Proportional to 75,434.60, 113,216.70 and 33,379.40

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Solution

The fourth proportional to 75,434.60, 113,216.70 and 33,379.40 is: 50,097.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,434.60 : 113,216.70 = 33,379.40 : x
  2. Step 2: Convert to fraction form
    75,434.60/113,216.70 = 33,379.40/x
  3. Step 3: Cross multiply
    75,434.60x = 113,216.70 × 33,379.40
  4. Step 4: Simplify right side
    75,434.60x = 3,779,105,515.98
  5. Step 5: Solve for x
    x = 3,779,105,515.98/75,434.60
  6. Step 6: Final answer
    x = 50,097.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.