Home / 70,226.01-105,330.81-28,104.39

Finding the Fourth Proportional to 70,226.01, 105,330.81 and 28,104.39

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Solution

The fourth proportional to 70,226.01, 105,330.81 and 28,104.39 is: 42,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,226.01 : 105,330.81 = 28,104.39 : x
  2. Step 2: Convert to fraction form
    70,226.01/105,330.81 = 28,104.39/x
  3. Step 3: Cross multiply
    70,226.01x = 105,330.81 × 28,104.39
  4. Step 4: Simplify right side
    70,226.01x = 2,960,258,163.26
  5. Step 5: Solve for x
    x = 2,960,258,163.26/70,226.01
  6. Step 6: Final answer
    x = 42,153.30

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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.