Home / 75,285.07-112,730.32-52,977.67

Finding the Fourth Proportional to 75,285.07, 112,730.32 and 52,977.67

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Solution

The fourth proportional to 75,285.07, 112,730.32 and 52,977.67 is: 79,327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,285.07 : 112,730.32 = 52,977.67 : x
  2. Step 2: Convert to fraction form
    75,285.07/112,730.32 = 52,977.67/x
  3. Step 3: Cross multiply
    75,285.07x = 112,730.32 × 52,977.67
  4. Step 4: Simplify right side
    75,285.07x = 5,972,189,691.95
  5. Step 5: Solve for x
    x = 5,972,189,691.95/75,285.07
  6. Step 6: Final answer
    x = 79,327.68

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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.