Home / 70,901.38-106,251.81-39,325.35

Finding the Fourth Proportional to 70,901.38, 106,251.81 and 39,325.35

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Solution

The fourth proportional to 70,901.38, 106,251.81 and 39,325.35 is: 58,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,901.38 : 106,251.81 = 39,325.35 : x
  2. Step 2: Convert to fraction form
    70,901.38/106,251.81 = 39,325.35/x
  3. Step 3: Cross multiply
    70,901.38x = 106,251.81 × 39,325.35
  4. Step 4: Simplify right side
    70,901.38x = 4,178,389,616.38
  5. Step 5: Solve for x
    x = 4,178,389,616.38/70,901.38
  6. Step 6: Final answer
    x = 58,932.42

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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.