Home / 82,971.60-124,441.20-27,567.60

Finding the Fourth Proportional to 82,971.60, 124,441.20 and 27,567.60

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Solution

The fourth proportional to 82,971.60, 124,441.20 and 27,567.60 is: 41,346.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,971.60 : 124,441.20 = 27,567.60 : x
  2. Step 2: Convert to fraction form
    82,971.60/124,441.20 = 27,567.60/x
  3. Step 3: Cross multiply
    82,971.60x = 124,441.20 × 27,567.60
  4. Step 4: Simplify right side
    82,971.60x = 3,430,545,225.12
  5. Step 5: Solve for x
    x = 3,430,545,225.12/82,971.60
  6. Step 6: Final answer
    x = 41,346.02

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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.