Home / 75,622.84-113,378.60-25,689.51

Finding the Fourth Proportional to 75,622.84, 113,378.60 and 25,689.51

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Solution

The fourth proportional to 75,622.84, 113,378.60 and 25,689.51 is: 38,515.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,622.84 : 113,378.60 = 25,689.51 : x
  2. Step 2: Convert to fraction form
    75,622.84/113,378.60 = 25,689.51/x
  3. Step 3: Cross multiply
    75,622.84x = 113,378.60 × 25,689.51
  4. Step 4: Simplify right side
    75,622.84x = 2,912,640,742.71
  5. Step 5: Solve for x
    x = 2,912,640,742.71/75,622.84
  6. Step 6: Final answer
    x = 38,515.36

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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.