Home / 45,319.05-67,985.51-23,120.33

Finding the Fourth Proportional to 45,319.05, 67,985.51 and 23,120.33

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Solution

The fourth proportional to 45,319.05, 67,985.51 and 23,120.33 is: 34,684.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,319.05 : 67,985.51 = 23,120.33 : x
  2. Step 2: Convert to fraction form
    45,319.05/67,985.51 = 23,120.33/x
  3. Step 3: Cross multiply
    45,319.05x = 67,985.51 × 23,120.33
  4. Step 4: Simplify right side
    45,319.05x = 1,571,846,970.89
  5. Step 5: Solve for x
    x = 1,571,846,970.89/45,319.05
  6. Step 6: Final answer
    x = 34,684.02

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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.