Home / 52,084.80-78,127.20-17,025.60

Finding the Fourth Proportional to 52,084.80, 78,127.20 and 17,025.60

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Solution

The fourth proportional to 52,084.80, 78,127.20 and 17,025.60 is: 25,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,084.80 : 78,127.20 = 17,025.60 : x
  2. Step 2: Convert to fraction form
    52,084.80/78,127.20 = 17,025.60/x
  3. Step 3: Cross multiply
    52,084.80x = 78,127.20 × 17,025.60
  4. Step 4: Simplify right side
    52,084.80x = 1,330,162,456.32
  5. Step 5: Solve for x
    x = 1,330,162,456.32/52,084.80
  6. Step 6: Final answer
    x = 25,538.40

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1.5x scale

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.