Home / 82,860.55-124,290.83-47,771.35

Finding the Fourth Proportional to 82,860.55, 124,290.83 and 47,771.35

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Solution

The fourth proportional to 82,860.55, 124,290.83 and 47,771.35 is: 71,657.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,860.55 : 124,290.83 = 47,771.35 : x
  2. Step 2: Convert to fraction form
    82,860.55/124,290.83 = 47,771.35/x
  3. Step 3: Cross multiply
    82,860.55x = 124,290.83 × 47,771.35
  4. Step 4: Simplify right side
    82,860.55x = 5,937,540,502.86
  5. Step 5: Solve for x
    x = 5,937,540,502.86/82,860.55
  6. Step 6: Final answer
    x = 71,657.03

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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.