Home / 46,115.10-69,128.37-29,428.02

Finding the Fourth Proportional to 46,115.10, 69,128.37 and 29,428.02

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Solution

The fourth proportional to 46,115.10, 69,128.37 and 29,428.02 is: 44,113.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,115.10 : 69,128.37 = 29,428.02 : x
  2. Step 2: Convert to fraction form
    46,115.10/69,128.37 = 29,428.02/x
  3. Step 3: Cross multiply
    46,115.10x = 69,128.37 × 29,428.02
  4. Step 4: Simplify right side
    46,115.10x = 2,034,311,054.93
  5. Step 5: Solve for x
    x = 2,034,311,054.93/46,115.10
  6. Step 6: Final answer
    x = 44,113.77

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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.