Home / 43,235.10-64,808.07-31,359.14

Finding the Fourth Proportional to 43,235.10, 64,808.07 and 31,359.14

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Solution

The fourth proportional to 43,235.10, 64,808.07 and 31,359.14 is: 47,006.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,235.10 : 64,808.07 = 31,359.14 : x
  2. Step 2: Convert to fraction form
    43,235.10/64,808.07 = 31,359.14/x
  3. Step 3: Cross multiply
    43,235.10x = 64,808.07 × 31,359.14
  4. Step 4: Simplify right side
    43,235.10x = 2,032,325,340.26
  5. Step 5: Solve for x
    x = 2,032,325,340.26/43,235.10
  6. Step 6: Final answer
    x = 47,006.38

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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.