Home / 80,890.47-121,336.01-24,730.36

Finding the Fourth Proportional to 80,890.47, 121,336.01 and 24,730.36

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Solution

The fourth proportional to 80,890.47, 121,336.01 and 24,730.36 is: 37,095.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,890.47 : 121,336.01 = 24,730.36 : x
  2. Step 2: Convert to fraction form
    80,890.47/121,336.01 = 24,730.36/x
  3. Step 3: Cross multiply
    80,890.47x = 121,336.01 × 24,730.36
  4. Step 4: Simplify right side
    80,890.47x = 3,000,683,208.26
  5. Step 5: Solve for x
    x = 3,000,683,208.26/80,890.47
  6. Step 6: Final answer
    x = 37,095.63

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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.