Home / 67,548.34-101,267.85-28,135.06

Finding the Fourth Proportional to 67,548.34, 101,267.85 and 28,135.06

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Solution

The fourth proportional to 67,548.34, 101,267.85 and 28,135.06 is: 42,179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,548.34 : 101,267.85 = 28,135.06 : x
  2. Step 2: Convert to fraction form
    67,548.34/101,267.85 = 28,135.06/x
  3. Step 3: Cross multiply
    67,548.34x = 101,267.85 × 28,135.06
  4. Step 4: Simplify right side
    67,548.34x = 2,849,177,035.82
  5. Step 5: Solve for x
    x = 2,849,177,035.82/67,548.34
  6. Step 6: Final answer
    x = 42,179.82

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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.