Home / 53,138.55-73,333.46-30,483.93

Finding the Fourth Proportional to 53,138.55, 73,333.46 and 30,483.93

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Solution

The fourth proportional to 53,138.55, 73,333.46 and 30,483.93 is: 42,069.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,138.55 : 73,333.46 = 30,483.93 : x
  2. Step 2: Convert to fraction form
    53,138.55/73,333.46 = 30,483.93/x
  3. Step 3: Cross multiply
    53,138.55x = 73,333.46 × 30,483.93
  4. Step 4: Simplify right side
    53,138.55x = 2,235,491,908.88
  5. Step 5: Solve for x
    x = 2,235,491,908.88/53,138.55
  6. Step 6: Final answer
    x = 42,069.12

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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.