Home / 80,816.40-111,495.96-48,973.68

Finding the Fourth Proportional to 80,816.40, 111,495.96 and 48,973.68

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Solution

The fourth proportional to 80,816.40, 111,495.96 and 48,973.68 is: 67,565.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,816.40 : 111,495.96 = 48,973.68 : x
  2. Step 2: Convert to fraction form
    80,816.40/111,495.96 = 48,973.68/x
  3. Step 3: Cross multiply
    80,816.40x = 111,495.96 × 48,973.68
  4. Step 4: Simplify right side
    80,816.40x = 5,460,367,466.33
  5. Step 5: Solve for x
    x = 5,460,367,466.33/80,816.40
  6. Step 6: Final answer
    x = 67,565.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.