Home / 272,050.64-408,107.02-72,379.16

Finding the Fourth Proportional to 272,050.64, 408,107.02 and 72,379.16

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Solution

The fourth proportional to 272,050.64, 408,107.02 and 72,379.16 is: 108,577.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,050.64 : 408,107.02 = 72,379.16 : x
  2. Step 2: Convert to fraction form
    272,050.64/408,107.02 = 72,379.16/x
  3. Step 3: Cross multiply
    272,050.64x = 408,107.02 × 72,379.16
  4. Step 4: Simplify right side
    272,050.64x = 29,538,443,297.70
  5. Step 5: Solve for x
    x = 29,538,443,297.70/272,050.64
  6. Step 6: Final answer
    x = 108,577.00

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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.