Home / 86,247.40-129,317.98-33,595.56

Finding the Fourth Proportional to 86,247.40, 129,317.98 and 33,595.56

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Solution

The fourth proportional to 86,247.40, 129,317.98 and 33,595.56 is: 50,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,247.40 : 129,317.98 = 33,595.56 : x
  2. Step 2: Convert to fraction form
    86,247.40/129,317.98 = 33,595.56/x
  3. Step 3: Cross multiply
    86,247.40x = 129,317.98 × 33,595.56
  4. Step 4: Simplify right side
    86,247.40x = 4,344,509,956.17
  5. Step 5: Solve for x
    x = 4,344,509,956.17/86,247.40
  6. Step 6: Final answer
    x = 50,372.65

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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.