Home / 51,561.08-77,341.54-14,121.44

Finding the Fourth Proportional to 51,561.08, 77,341.54 and 14,121.44

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Solution

The fourth proportional to 51,561.08, 77,341.54 and 14,121.44 is: 21,182.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,561.08 : 77,341.54 = 14,121.44 : x
  2. Step 2: Convert to fraction form
    51,561.08/77,341.54 = 14,121.44/x
  3. Step 3: Cross multiply
    51,561.08x = 77,341.54 × 14,121.44
  4. Step 4: Simplify right side
    51,561.08x = 1,092,173,916.62
  5. Step 5: Solve for x
    x = 1,092,173,916.62/51,561.08
  6. Step 6: Final answer
    x = 21,182.14

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1.5x scale

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.