Home / 61,518.80-92,278.26-17,145.68

Finding the Fourth Proportional to 61,518.80, 92,278.26 and 17,145.68

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Solution

The fourth proportional to 61,518.80, 92,278.26 and 17,145.68 is: 25,718.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,518.80 : 92,278.26 = 17,145.68 : x
  2. Step 2: Convert to fraction form
    61,518.80/92,278.26 = 17,145.68/x
  3. Step 3: Cross multiply
    61,518.80x = 92,278.26 × 17,145.68
  4. Step 4: Simplify right side
    61,518.80x = 1,582,173,516.92
  5. Step 5: Solve for x
    x = 1,582,173,516.92/61,518.80
  6. Step 6: Final answer
    x = 25,718.54

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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.