Home / 80,038.28-120,053.09-40,594.37

Finding the Fourth Proportional to 80,038.28, 120,053.09 and 40,594.37

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Solution

The fourth proportional to 80,038.28, 120,053.09 and 40,594.37 is: 60,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,038.28 : 120,053.09 = 40,594.37 : x
  2. Step 2: Convert to fraction form
    80,038.28/120,053.09 = 40,594.37/x
  3. Step 3: Cross multiply
    80,038.28x = 120,053.09 × 40,594.37
  4. Step 4: Simplify right side
    80,038.28x = 4,873,478,827.98
  5. Step 5: Solve for x
    x = 4,873,478,827.98/80,038.28
  6. Step 6: Final answer
    x = 60,889.35

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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.