Home / 75,770.37-113,688.33-40,669.02

Finding the Fourth Proportional to 75,770.37, 113,688.33 and 40,669.02

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Solution

The fourth proportional to 75,770.37, 113,688.33 and 40,669.02 is: 61,021.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,770.37 : 113,688.33 = 40,669.02 : x
  2. Step 2: Convert to fraction form
    75,770.37/113,688.33 = 40,669.02/x
  3. Step 3: Cross multiply
    75,770.37x = 113,688.33 × 40,669.02
  4. Step 4: Simplify right side
    75,770.37x = 4,623,592,966.54
  5. Step 5: Solve for x
    x = 4,623,592,966.54/75,770.37
  6. Step 6: Final answer
    x = 61,021.12

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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.