Home / 75,276.75-103,898.12-45,068.82

Finding the Fourth Proportional to 75,276.75, 103,898.12 and 45,068.82

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Solution

The fourth proportional to 75,276.75, 103,898.12 and 45,068.82 is: 62,204.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,276.75 : 103,898.12 = 45,068.82 : x
  2. Step 2: Convert to fraction form
    75,276.75/103,898.12 = 45,068.82/x
  3. Step 3: Cross multiply
    75,276.75x = 103,898.12 × 45,068.82
  4. Step 4: Simplify right side
    75,276.75x = 4,682,565,443.27
  5. Step 5: Solve for x
    x = 4,682,565,443.27/75,276.75
  6. Step 6: Final answer
    x = 62,204.67

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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.