Home / 80,817.48-121,225.98-36,392.22

Finding the Fourth Proportional to 80,817.48, 121,225.98 and 36,392.22

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Solution

The fourth proportional to 80,817.48, 121,225.98 and 36,392.22 is: 54,588.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,817.48 : 121,225.98 = 36,392.22 : x
  2. Step 2: Convert to fraction form
    80,817.48/121,225.98 = 36,392.22/x
  3. Step 3: Cross multiply
    80,817.48x = 121,225.98 × 36,392.22
  4. Step 4: Simplify right side
    80,817.48x = 4,411,682,533.88
  5. Step 5: Solve for x
    x = 4,411,682,533.88/80,817.48
  6. Step 6: Final answer
    x = 54,588.22

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1.5x scale

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.