Home / 67,509.10-101,266.08-25,385.32

Finding the Fourth Proportional to 67,509.10, 101,266.08 and 25,385.32

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Solution

The fourth proportional to 67,509.10, 101,266.08 and 25,385.32 is: 38,078.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,509.10 : 101,266.08 = 25,385.32 : x
  2. Step 2: Convert to fraction form
    67,509.10/101,266.08 = 25,385.32/x
  3. Step 3: Cross multiply
    67,509.10x = 101,266.08 × 25,385.32
  4. Step 4: Simplify right side
    67,509.10x = 2,570,671,845.95
  5. Step 5: Solve for x
    x = 2,570,671,845.95/67,509.10
  6. Step 6: Final answer
    x = 38,078.89

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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.