Home / 80,053.10-120,038.84-26,725.92

Finding the Fourth Proportional to 80,053.10, 120,038.84 and 26,725.92

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Solution

The fourth proportional to 80,053.10, 120,038.84 and 26,725.92 is: 40,075.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,053.10 : 120,038.84 = 26,725.92 : x
  2. Step 2: Convert to fraction form
    80,053.10/120,038.84 = 26,725.92/x
  3. Step 3: Cross multiply
    80,053.10x = 120,038.84 × 26,725.92
  4. Step 4: Simplify right side
    80,053.10x = 3,208,148,301.10
  5. Step 5: Solve for x
    x = 3,208,148,301.10/80,053.10
  6. Step 6: Final answer
    x = 40,075.26

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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.