Home / 80,890.49-121,336.02-24,730.38

Finding the Fourth Proportional to 80,890.49, 121,336.02 and 24,730.38

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Solution

The fourth proportional to 80,890.49, 121,336.02 and 24,730.38 is: 37,095.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,890.49 : 121,336.02 = 24,730.38 : x
  2. Step 2: Convert to fraction form
    80,890.49/121,336.02 = 24,730.38/x
  3. Step 3: Cross multiply
    80,890.49x = 121,336.02 × 24,730.38
  4. Step 4: Simplify right side
    80,890.49x = 3,000,685,882.29
  5. Step 5: Solve for x
    x = 3,000,685,882.29/80,890.49
  6. Step 6: Final answer
    x = 37,095.66

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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.