Home / 46,599.12-69,899-13,318.96

Finding the Fourth Proportional to 46,599.12, 69,899 and 13,318.96

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Solution

The fourth proportional to 46,599.12, 69,899 and 13,318.96 is: 19,978.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,599.12 : 69,899 = 13,318.96 : x
  2. Step 2: Convert to fraction form
    46,599.12/69,899 = 13,318.96/x
  3. Step 3: Cross multiply
    46,599.12x = 69,899 × 13,318.96
  4. Step 4: Simplify right side
    46,599.12x = 930,981,985.04
  5. Step 5: Solve for x
    x = 930,981,985.04/46,599.12
  6. Step 6: Final answer
    x = 19,978.53

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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.