Home / 71,045.08-98,039.34-39,213.52

Finding the Fourth Proportional to 71,045.08, 98,039.34 and 39,213.52

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Solution

The fourth proportional to 71,045.08, 98,039.34 and 39,213.52 is: 54,113.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,045.08 : 98,039.34 = 39,213.52 : x
  2. Step 2: Convert to fraction form
    71,045.08/98,039.34 = 39,213.52/x
  3. Step 3: Cross multiply
    71,045.08x = 98,039.34 × 39,213.52
  4. Step 4: Simplify right side
    71,045.08x = 3,844,467,619.88
  5. Step 5: Solve for x
    x = 3,844,467,619.88/71,045.08
  6. Step 6: Final answer
    x = 54,113.07

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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.