Home / 46,121.13-69,174.75-12,837.78

Finding the Fourth Proportional to 46,121.13, 69,174.75 and 12,837.78

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Solution

The fourth proportional to 46,121.13, 69,174.75 and 12,837.78 is: 19,254.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,121.13 : 69,174.75 = 12,837.78 : x
  2. Step 2: Convert to fraction form
    46,121.13/69,174.75 = 12,837.78/x
  3. Step 3: Cross multiply
    46,121.13x = 69,174.75 × 12,837.78
  4. Step 4: Simplify right side
    46,121.13x = 888,050,222.06
  5. Step 5: Solve for x
    x = 888,050,222.06/46,121.13
  6. Step 6: Final answer
    x = 19,254.74

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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.