Home / 80,649.49-111,308.40-58,063.24

Finding the Fourth Proportional to 80,649.49, 111,308.40 and 58,063.24

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Solution

The fourth proportional to 80,649.49, 111,308.40 and 58,063.24 is: 80,135.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,649.49 : 111,308.40 = 58,063.24 : x
  2. Step 2: Convert to fraction form
    80,649.49/111,308.40 = 58,063.24/x
  3. Step 3: Cross multiply
    80,649.49x = 111,308.40 × 58,063.24
  4. Step 4: Simplify right side
    80,649.49x = 6,462,925,786.67
  5. Step 5: Solve for x
    x = 6,462,925,786.67/80,649.49
  6. Step 6: Final answer
    x = 80,135.98

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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.