Home / 71,302.94-98,399.21-39,037.01

Finding the Fourth Proportional to 71,302.94, 98,399.21 and 39,037.01

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Solution

The fourth proportional to 71,302.94, 98,399.21 and 39,037.01 is: 53,871.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,302.94 : 98,399.21 = 39,037.01 : x
  2. Step 2: Convert to fraction form
    71,302.94/98,399.21 = 39,037.01/x
  3. Step 3: Cross multiply
    71,302.94x = 98,399.21 × 39,037.01
  4. Step 4: Simplify right side
    71,302.94x = 3,841,211,042.35
  5. Step 5: Solve for x
    x = 3,841,211,042.35/71,302.94
  6. Step 6: Final answer
    x = 53,871.71

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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.