Home / 71,057.34-98,056.55-39,225.56

Finding the Fourth Proportional to 71,057.34, 98,056.55 and 39,225.56

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Solution

The fourth proportional to 71,057.34, 98,056.55 and 39,225.56 is: 54,129.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,057.34 : 98,056.55 = 39,225.56 : x
  2. Step 2: Convert to fraction form
    71,057.34/98,056.55 = 39,225.56/x
  3. Step 3: Cross multiply
    71,057.34x = 98,056.55 × 39,225.56
  4. Step 4: Simplify right side
    71,057.34x = 3,846,322,595.14
  5. Step 5: Solve for x
    x = 3,846,322,595.14/71,057.34
  6. Step 6: Final answer
    x = 54,129.84

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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.