Home / 67,529.88-101,285.64-17,613.36

Finding the Fourth Proportional to 67,529.88, 101,285.64 and 17,613.36

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Solution

The fourth proportional to 67,529.88, 101,285.64 and 17,613.36 is: 26,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,529.88 : 101,285.64 = 17,613.36 : x
  2. Step 2: Convert to fraction form
    67,529.88/101,285.64 = 17,613.36/x
  3. Step 3: Cross multiply
    67,529.88x = 101,285.64 × 17,613.36
  4. Step 4: Simplify right side
    67,529.88x = 1,783,980,440.15
  5. Step 5: Solve for x
    x = 1,783,980,440.15/67,529.88
  6. Step 6: Final answer
    x = 26,417.65

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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.