Home / 80,089.08-110,549.16-56,221.62

Finding the Fourth Proportional to 80,089.08, 110,549.16 and 56,221.62

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Solution

The fourth proportional to 80,089.08, 110,549.16 and 56,221.62 is: 77,604.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,089.08 : 110,549.16 = 56,221.62 : x
  2. Step 2: Convert to fraction form
    80,089.08/110,549.16 = 56,221.62/x
  3. Step 3: Cross multiply
    80,089.08x = 110,549.16 × 56,221.62
  4. Step 4: Simplify right side
    80,089.08x = 6,215,252,864.84
  5. Step 5: Solve for x
    x = 6,215,252,864.84/80,089.08
  6. Step 6: Final answer
    x = 77,604.25

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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.