Home / 75,461.88-113,235.30-69,513.24

Finding the Fourth Proportional to 75,461.88, 113,235.30 and 69,513.24

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Solution

The fourth proportional to 75,461.88, 113,235.30 and 69,513.24 is: 104,308.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,461.88 : 113,235.30 = 69,513.24 : x
  2. Step 2: Convert to fraction form
    75,461.88/113,235.30 = 69,513.24/x
  3. Step 3: Cross multiply
    75,461.88x = 113,235.30 × 69,513.24
  4. Step 4: Simplify right side
    75,461.88x = 7,871,352,585.37
  5. Step 5: Solve for x
    x = 7,871,352,585.37/75,461.88
  6. Step 6: Final answer
    x = 104,308.99

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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.