Home / 80,437.20-111,014.81-46,438.89

Finding the Fourth Proportional to 80,437.20, 111,014.81 and 46,438.89

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Solution

The fourth proportional to 80,437.20, 111,014.81 and 46,438.89 is: 64,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,437.20 : 111,014.81 = 46,438.89 : x
  2. Step 2: Convert to fraction form
    80,437.20/111,014.81 = 46,438.89/x
  3. Step 3: Cross multiply
    80,437.20x = 111,014.81 × 46,438.89
  4. Step 4: Simplify right side
    80,437.20x = 5,155,404,549.96
  5. Step 5: Solve for x
    x = 5,155,404,549.96/80,437.20
  6. Step 6: Final answer
    x = 64,092.29

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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.