Home / 71,313.40-98,412.49-39,050.05

Finding the Fourth Proportional to 71,313.40, 98,412.49 and 39,050.05

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Solution

The fourth proportional to 71,313.40, 98,412.49 and 39,050.05 is: 53,889.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,313.40 : 98,412.49 = 39,050.05 : x
  2. Step 2: Convert to fraction form
    71,313.40/98,412.49 = 39,050.05/x
  3. Step 3: Cross multiply
    71,313.40x = 98,412.49 × 39,050.05
  4. Step 4: Simplify right side
    71,313.40x = 3,843,012,623.39
  5. Step 5: Solve for x
    x = 3,843,012,623.39/71,313.40
  6. Step 6: Final answer
    x = 53,889.07

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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.