Home / 67,210.02-100,830.06-20,466.54

Finding the Fourth Proportional to 67,210.02, 100,830.06 and 20,466.54

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Solution

The fourth proportional to 67,210.02, 100,830.06 and 20,466.54 is: 30,704.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,210.02 : 100,830.06 = 20,466.54 : x
  2. Step 2: Convert to fraction form
    67,210.02/100,830.06 = 20,466.54/x
  3. Step 3: Cross multiply
    67,210.02x = 100,830.06 × 20,466.54
  4. Step 4: Simplify right side
    67,210.02x = 2,063,642,456.19
  5. Step 5: Solve for x
    x = 2,063,642,456.19/67,210.02
  6. Step 6: Final answer
    x = 30,704.39

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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.