Home / 46,578.08-69,869.68-13,748.64

Finding the Fourth Proportional to 46,578.08, 69,869.68 and 13,748.64

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Solution

The fourth proportional to 46,578.08, 69,869.68 and 13,748.64 is: 20,623.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,578.08 : 69,869.68 = 13,748.64 : x
  2. Step 2: Convert to fraction form
    46,578.08/69,869.68 = 13,748.64/x
  3. Step 3: Cross multiply
    46,578.08x = 69,869.68 × 13,748.64
  4. Step 4: Simplify right side
    46,578.08x = 960,613,077.24
  5. Step 5: Solve for x
    x = 960,613,077.24/46,578.08
  6. Step 6: Final answer
    x = 20,623.72

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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.