Home / 80,849.10-121,280.94-36,496.74

Finding the Fourth Proportional to 80,849.10, 121,280.94 and 36,496.74

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Solution

The fourth proportional to 80,849.10, 121,280.94 and 36,496.74 is: 54,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,849.10 : 121,280.94 = 36,496.74 : x
  2. Step 2: Convert to fraction form
    80,849.10/121,280.94 = 36,496.74/x
  3. Step 3: Cross multiply
    80,849.10x = 121,280.94 × 36,496.74
  4. Step 4: Simplify right side
    80,849.10x = 4,426,358,934.14
  5. Step 5: Solve for x
    x = 4,426,358,934.14/80,849.10
  6. Step 6: Final answer
    x = 54,748.40

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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.