Home / 46,608.66-69,901.25-13,328.90

Finding the Fourth Proportional to 46,608.66, 69,901.25 and 13,328.90

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Solution

The fourth proportional to 46,608.66, 69,901.25 and 13,328.90 is: 19,989.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,608.66 : 69,901.25 = 13,328.90 : x
  2. Step 2: Convert to fraction form
    46,608.66/69,901.25 = 13,328.90/x
  3. Step 3: Cross multiply
    46,608.66x = 69,901.25 × 13,328.90
  4. Step 4: Simplify right side
    46,608.66x = 931,706,617.10
  5. Step 5: Solve for x
    x = 931,706,617.10/46,608.66
  6. Step 6: Final answer
    x = 19,989.99

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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.