Home / 45,150.63-67,730.40-15,564.57

Finding the Fourth Proportional to 45,150.63, 67,730.40 and 15,564.57

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Solution

The fourth proportional to 45,150.63, 67,730.40 and 15,564.57 is: 23,348.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,150.63 : 67,730.40 = 15,564.57 : x
  2. Step 2: Convert to fraction form
    45,150.63/67,730.40 = 15,564.57/x
  3. Step 3: Cross multiply
    45,150.63x = 67,730.40 × 15,564.57
  4. Step 4: Simplify right side
    45,150.63x = 1,054,194,551.93
  5. Step 5: Solve for x
    x = 1,054,194,551.93/45,150.63
  6. Step 6: Final answer
    x = 23,348.39

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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.