Home / 51,465.13-77,205.08-15,929.57

Finding the Fourth Proportional to 51,465.13, 77,205.08 and 15,929.57

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Solution

The fourth proportional to 51,465.13, 77,205.08 and 15,929.57 is: 23,896.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,465.13 : 77,205.08 = 15,929.57 : x
  2. Step 2: Convert to fraction form
    51,465.13/77,205.08 = 15,929.57/x
  3. Step 3: Cross multiply
    51,465.13x = 77,205.08 × 15,929.57
  4. Step 4: Simplify right side
    51,465.13x = 1,229,843,714.14
  5. Step 5: Solve for x
    x = 1,229,843,714.14/51,465.13
  6. Step 6: Final answer
    x = 23,896.64

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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.