Home / 86,407.57-129,607.03-33,826.69

Finding the Fourth Proportional to 86,407.57, 129,607.03 and 33,826.69

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Solution

The fourth proportional to 86,407.57, 129,607.03 and 33,826.69 is: 50,738.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,407.57 : 129,607.03 = 33,826.69 : x
  2. Step 2: Convert to fraction form
    86,407.57/129,607.03 = 33,826.69/x
  3. Step 3: Cross multiply
    86,407.57x = 129,607.03 × 33,826.69
  4. Step 4: Simplify right side
    86,407.57x = 4,384,176,825.63
  5. Step 5: Solve for x
    x = 4,384,176,825.63/86,407.57
  6. Step 6: Final answer
    x = 50,738.34

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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.