Home / 60,106.05-90,161.10-20,662.29

Finding the Fourth Proportional to 60,106.05, 90,161.10 and 20,662.29

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Solution

The fourth proportional to 60,106.05, 90,161.10 and 20,662.29 is: 30,994.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,106.05 : 90,161.10 = 20,662.29 : x
  2. Step 2: Convert to fraction form
    60,106.05/90,161.10 = 20,662.29/x
  3. Step 3: Cross multiply
    60,106.05x = 90,161.10 × 20,662.29
  4. Step 4: Simplify right side
    60,106.05x = 1,862,934,794.92
  5. Step 5: Solve for x
    x = 1,862,934,794.92/60,106.05
  6. Step 6: Final answer
    x = 30,994.13

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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.