Home / 49,708.57-74,565.16-14,172.30

Finding the Fourth Proportional to 49,708.57, 74,565.16 and 14,172.30

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Solution

The fourth proportional to 49,708.57, 74,565.16 and 14,172.30 is: 21,259.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,708.57 : 74,565.16 = 14,172.30 : x
  2. Step 2: Convert to fraction form
    49,708.57/74,565.16 = 14,172.30/x
  3. Step 3: Cross multiply
    49,708.57x = 74,565.16 × 14,172.30
  4. Step 4: Simplify right side
    49,708.57x = 1,056,759,781.64
  5. Step 5: Solve for x
    x = 1,056,759,781.64/49,708.57
  6. Step 6: Final answer
    x = 21,259.11

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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.