Home / 67,095.46-100,636.71-20,348.74

Finding the Fourth Proportional to 67,095.46, 100,636.71 and 20,348.74

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Solution

The fourth proportional to 67,095.46, 100,636.71 and 20,348.74 is: 30,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,095.46 : 100,636.71 = 20,348.74 : x
  2. Step 2: Convert to fraction form
    67,095.46/100,636.71 = 20,348.74/x
  3. Step 3: Cross multiply
    67,095.46x = 100,636.71 × 20,348.74
  4. Step 4: Simplify right side
    67,095.46x = 2,047,830,246.25
  5. Step 5: Solve for x
    x = 2,047,830,246.25/67,095.46
  6. Step 6: Final answer
    x = 30,521.14

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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.