Home / 71,047.08-98,044.98-39,215.99

Finding the Fourth Proportional to 71,047.08, 98,044.98 and 39,215.99

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Solution

The fourth proportional to 71,047.08, 98,044.98 and 39,215.99 is: 54,118.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,047.08 : 98,044.98 = 39,215.99 : x
  2. Step 2: Convert to fraction form
    71,047.08/98,044.98 = 39,215.99/x
  3. Step 3: Cross multiply
    71,047.08x = 98,044.98 × 39,215.99
  4. Step 4: Simplify right side
    71,047.08x = 3,844,930,465.01
  5. Step 5: Solve for x
    x = 3,844,930,465.01/71,047.08
  6. Step 6: Final answer
    x = 54,118.06

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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.