Home / 71,567.34-98,761.05-39,735.42

Finding the Fourth Proportional to 71,567.34, 98,761.05 and 39,735.42

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Solution

The fourth proportional to 71,567.34, 98,761.05 and 39,735.42 is: 54,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,567.34 : 98,761.05 = 39,735.42 : x
  2. Step 2: Convert to fraction form
    71,567.34/98,761.05 = 39,735.42/x
  3. Step 3: Cross multiply
    71,567.34x = 98,761.05 × 39,735.42
  4. Step 4: Simplify right side
    71,567.34x = 3,924,311,801.39
  5. Step 5: Solve for x
    x = 3,924,311,801.39/71,567.34
  6. Step 6: Final answer
    x = 54,833.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.