Home / 80,698.06-121,047.10-21,533.95

Finding the Fourth Proportional to 80,698.06, 121,047.10 and 21,533.95

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Solution

The fourth proportional to 80,698.06, 121,047.10 and 21,533.95 is: 32,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,698.06 : 121,047.10 = 21,533.95 : x
  2. Step 2: Convert to fraction form
    80,698.06/121,047.10 = 21,533.95/x
  3. Step 3: Cross multiply
    80,698.06x = 121,047.10 × 21,533.95
  4. Step 4: Simplify right side
    80,698.06x = 2,606,622,199.05
  5. Step 5: Solve for x
    x = 2,606,622,199.05/80,698.06
  6. Step 6: Final answer
    x = 32,300.93

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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.