Home / 75,621.99-113,503.16-38,208.35

Finding the Fourth Proportional to 75,621.99, 113,503.16 and 38,208.35

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Solution

The fourth proportional to 75,621.99, 113,503.16 and 38,208.35 is: 57,347.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,621.99 : 113,503.16 = 38,208.35 : x
  2. Step 2: Convert to fraction form
    75,621.99/113,503.16 = 38,208.35/x
  3. Step 3: Cross multiply
    75,621.99x = 113,503.16 × 38,208.35
  4. Step 4: Simplify right side
    75,621.99x = 4,336,768,463.39
  5. Step 5: Solve for x
    x = 4,336,768,463.39/75,621.99
  6. Step 6: Final answer
    x = 57,347.98

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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.