Home / 52,284.06-78,426.18-20,701.53

Finding the Fourth Proportional to 52,284.06, 78,426.18 and 20,701.53

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Solution

The fourth proportional to 52,284.06, 78,426.18 and 20,701.53 is: 31,052.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,284.06 : 78,426.18 = 20,701.53 : x
  2. Step 2: Convert to fraction form
    52,284.06/78,426.18 = 20,701.53/x
  3. Step 3: Cross multiply
    52,284.06x = 78,426.18 × 20,701.53
  4. Step 4: Simplify right side
    52,284.06x = 1,623,541,918.06
  5. Step 5: Solve for x
    x = 1,623,541,918.06/52,284.06
  6. Step 6: Final answer
    x = 31,052.33

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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.