Home / 46,278.09-69,416.52-11,218.05

Finding the Fourth Proportional to 46,278.09, 69,416.52 and 11,218.05

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Solution

The fourth proportional to 46,278.09, 69,416.52 and 11,218.05 is: 16,826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,278.09 : 69,416.52 = 11,218.05 : x
  2. Step 2: Convert to fraction form
    46,278.09/69,416.52 = 11,218.05/x
  3. Step 3: Cross multiply
    46,278.09x = 69,416.52 × 11,218.05
  4. Step 4: Simplify right side
    46,278.09x = 778,717,992.19
  5. Step 5: Solve for x
    x = 778,717,992.19/46,278.09
  6. Step 6: Final answer
    x = 16,826.93

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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.