Home / 46,160.16-69,212.54-21,168.90

Finding the Fourth Proportional to 46,160.16, 69,212.54 and 21,168.90

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Solution

The fourth proportional to 46,160.16, 69,212.54 and 21,168.90 is: 31,740.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,160.16 : 69,212.54 = 21,168.90 : x
  2. Step 2: Convert to fraction form
    46,160.16/69,212.54 = 21,168.90/x
  3. Step 3: Cross multiply
    46,160.16x = 69,212.54 × 21,168.90
  4. Step 4: Simplify right side
    46,160.16x = 1,465,153,232.16
  5. Step 5: Solve for x
    x = 1,465,153,232.16/46,160.16
  6. Step 6: Final answer
    x = 31,740.64

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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.