Home / 60,222.30-90,416.20-30,660

Finding the Fourth Proportional to 60,222.30, 90,416.20 and 30,660

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Solution

The fourth proportional to 60,222.30, 90,416.20 and 30,660 is: 46,032.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,222.30 : 90,416.20 = 30,660 : x
  2. Step 2: Convert to fraction form
    60,222.30/90,416.20 = 30,660/x
  3. Step 3: Cross multiply
    60,222.30x = 90,416.20 × 30,660
  4. Step 4: Simplify right side
    60,222.30x = 2,772,160,692
  5. Step 5: Solve for x
    x = 2,772,160,692/60,222.30
  6. Step 6: Final answer
    x = 46,032.13

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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.