Home / 79,621.28-119,259.63-37,438.15

Finding the Fourth Proportional to 79,621.28, 119,259.63 and 37,438.15

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Solution

The fourth proportional to 79,621.28, 119,259.63 and 37,438.15 is: 56,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,621.28 : 119,259.63 = 37,438.15 : x
  2. Step 2: Convert to fraction form
    79,621.28/119,259.63 = 37,438.15/x
  3. Step 3: Cross multiply
    79,621.28x = 119,259.63 × 37,438.15
  4. Step 4: Simplify right side
    79,621.28x = 4,464,859,320.59
  5. Step 5: Solve for x
    x = 4,464,859,320.59/79,621.28
  6. Step 6: Final answer
    x = 56,076.21

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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.