Home / 75,869.34-104,684.05-43,597.72

Finding the Fourth Proportional to 75,869.34, 104,684.05 and 43,597.72

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Solution

The fourth proportional to 75,869.34, 104,684.05 and 43,597.72 is: 60,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,869.34 : 104,684.05 = 43,597.72 : x
  2. Step 2: Convert to fraction form
    75,869.34/104,684.05 = 43,597.72/x
  3. Step 3: Cross multiply
    75,869.34x = 104,684.05 × 43,597.72
  4. Step 4: Simplify right side
    75,869.34x = 4,563,985,900.37
  5. Step 5: Solve for x
    x = 4,563,985,900.37/75,869.34
  6. Step 6: Final answer
    x = 60,155.87

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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.