Home / 80,628.04-110,896.80-64,677.52

Finding the Fourth Proportional to 80,628.04, 110,896.80 and 64,677.52

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Solution

The fourth proportional to 80,628.04, 110,896.80 and 64,677.52 is: 88,958.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,628.04 : 110,896.80 = 64,677.52 : x
  2. Step 2: Convert to fraction form
    80,628.04/110,896.80 = 64,677.52/x
  3. Step 3: Cross multiply
    80,628.04x = 110,896.80 × 64,677.52
  4. Step 4: Simplify right side
    80,628.04x = 7,172,529,896.02
  5. Step 5: Solve for x
    x = 7,172,529,896.02/80,628.04
  6. Step 6: Final answer
    x = 88,958.26

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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.