Home / 75,666.99-113,570.51-38,253.45

Finding the Fourth Proportional to 75,666.99, 113,570.51 and 38,253.45

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Solution

The fourth proportional to 75,666.99, 113,570.51 and 38,253.45 is: 57,415.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,666.99 : 113,570.51 = 38,253.45 : x
  2. Step 2: Convert to fraction form
    75,666.99/113,570.51 = 38,253.45/x
  3. Step 3: Cross multiply
    75,666.99x = 113,570.51 × 38,253.45
  4. Step 4: Simplify right side
    75,666.99x = 4,344,463,634.49
  5. Step 5: Solve for x
    x = 4,344,463,634.49/75,666.99
  6. Step 6: Final answer
    x = 57,415.57

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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.