Home / 52,142.98-78,210.39-14,701.54

Finding the Fourth Proportional to 52,142.98, 78,210.39 and 14,701.54

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Solution

The fourth proportional to 52,142.98, 78,210.39 and 14,701.54 is: 22,051.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,142.98 : 78,210.39 = 14,701.54 : x
  2. Step 2: Convert to fraction form
    52,142.98/78,210.39 = 14,701.54/x
  3. Step 3: Cross multiply
    52,142.98x = 78,210.39 × 14,701.54
  4. Step 4: Simplify right side
    52,142.98x = 1,149,813,177.00
  5. Step 5: Solve for x
    x = 1,149,813,177.00/52,142.98
  6. Step 6: Final answer
    x = 22,051.16

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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.