Home / 71,347.37-98,461.60-39,519.23

Finding the Fourth Proportional to 71,347.37, 98,461.60 and 39,519.23

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Solution

The fourth proportional to 71,347.37, 98,461.60 and 39,519.23 is: 54,537.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,347.37 : 98,461.60 = 39,519.23 : x
  2. Step 2: Convert to fraction form
    71,347.37/98,461.60 = 39,519.23/x
  3. Step 3: Cross multiply
    71,347.37x = 98,461.60 × 39,519.23
  4. Step 4: Simplify right side
    71,347.37x = 3,891,126,763.92
  5. Step 5: Solve for x
    x = 3,891,126,763.92/71,347.37
  6. Step 6: Final answer
    x = 54,537.77

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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.