Home / 75,780.45-113,666.58-23,189.94

Finding the Fourth Proportional to 75,780.45, 113,666.58 and 23,189.94

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Solution

The fourth proportional to 75,780.45, 113,666.58 and 23,189.94 is: 34,783.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,780.45 : 113,666.58 = 23,189.94 : x
  2. Step 2: Convert to fraction form
    75,780.45/113,666.58 = 23,189.94/x
  3. Step 3: Cross multiply
    75,780.45x = 113,666.58 × 23,189.94
  4. Step 4: Simplify right side
    75,780.45x = 2,635,921,170.21
  5. Step 5: Solve for x
    x = 2,635,921,170.21/75,780.45
  6. Step 6: Final answer
    x = 34,783.66

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1.5x scale

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.