Home / 80,730.81-121,111.20-24,575.94

Finding the Fourth Proportional to 80,730.81, 121,111.20 and 24,575.94

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Solution

The fourth proportional to 80,730.81, 121,111.20 and 24,575.94 is: 36,868.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,730.81 : 121,111.20 = 24,575.94 : x
  2. Step 2: Convert to fraction form
    80,730.81/121,111.20 = 24,575.94/x
  3. Step 3: Cross multiply
    80,730.81x = 121,111.20 × 24,575.94
  4. Step 4: Simplify right side
    80,730.81x = 2,976,421,584.53
  5. Step 5: Solve for x
    x = 2,976,421,584.53/80,730.81
  6. Step 6: Final answer
    x = 36,868.47

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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.