Home / 71,310.41-98,404.62-39,038.84

Finding the Fourth Proportional to 71,310.41, 98,404.62 and 39,038.84

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Solution

The fourth proportional to 71,310.41, 98,404.62 and 39,038.84 is: 53,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,310.41 : 98,404.62 = 39,038.84 : x
  2. Step 2: Convert to fraction form
    71,310.41/98,404.62 = 39,038.84/x
  3. Step 3: Cross multiply
    71,310.41x = 98,404.62 × 39,038.84
  4. Step 4: Simplify right side
    71,310.41x = 3,841,602,215.44
  5. Step 5: Solve for x
    x = 3,841,602,215.44/71,310.41
  6. Step 6: Final answer
    x = 53,871.55

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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.