Home / 57,823.20-86,734.80-35,564.40

Finding the Fourth Proportional to 57,823.20, 86,734.80 and 35,564.40

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Solution

The fourth proportional to 57,823.20, 86,734.80 and 35,564.40 is: 53,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,823.20 : 86,734.80 = 35,564.40 : x
  2. Step 2: Convert to fraction form
    57,823.20/86,734.80 = 35,564.40/x
  3. Step 3: Cross multiply
    57,823.20x = 86,734.80 × 35,564.40
  4. Step 4: Simplify right side
    57,823.20x = 3,084,671,121.12
  5. Step 5: Solve for x
    x = 3,084,671,121.12/57,823.20
  6. Step 6: Final answer
    x = 53,346.60

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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.