Home / 73,346.10-109,673.55-54,683.70

Finding the Fourth Proportional to 73,346.10, 109,673.55 and 54,683.70

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Solution

The fourth proportional to 73,346.10, 109,673.55 and 54,683.70 is: 81,767.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,346.10 : 109,673.55 = 54,683.70 : x
  2. Step 2: Convert to fraction form
    73,346.10/109,673.55 = 54,683.70/x
  3. Step 3: Cross multiply
    73,346.10x = 109,673.55 × 54,683.70
  4. Step 4: Simplify right side
    73,346.10x = 5,997,355,506.14
  5. Step 5: Solve for x
    x = 5,997,355,506.14/73,346.10
  6. Step 6: Final answer
    x = 81,767.89

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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.