Home / 67,564.08-101,389.64-36,421.04

Finding the Fourth Proportional to 67,564.08, 101,389.64 and 36,421.04

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Solution

The fourth proportional to 67,564.08, 101,389.64 and 36,421.04 is: 54,655.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,564.08 : 101,389.64 = 36,421.04 : x
  2. Step 2: Convert to fraction form
    67,564.08/101,389.64 = 36,421.04/x
  3. Step 3: Cross multiply
    67,564.08x = 101,389.64 × 36,421.04
  4. Step 4: Simplify right side
    67,564.08x = 3,692,716,134.03
  5. Step 5: Solve for x
    x = 3,692,716,134.03/67,564.08
  6. Step 6: Final answer
    x = 54,655.02

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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.