Home / 49,711.52-74,570.92-14,172.16

Finding the Fourth Proportional to 49,711.52, 74,570.92 and 14,172.16

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Solution

The fourth proportional to 49,711.52, 74,570.92 and 14,172.16 is: 21,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,711.52 : 74,570.92 = 14,172.16 : x
  2. Step 2: Convert to fraction form
    49,711.52/74,570.92 = 14,172.16/x
  3. Step 3: Cross multiply
    49,711.52x = 74,570.92 × 14,172.16
  4. Step 4: Simplify right side
    49,711.52x = 1,056,831,009.59
  5. Step 5: Solve for x
    x = 1,056,831,009.59/49,711.52
  6. Step 6: Final answer
    x = 21,259.28

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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.