Home / 70,208.90-96,887.82-39,995.48

Finding the Fourth Proportional to 70,208.90, 96,887.82 and 39,995.48

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Solution

The fourth proportional to 70,208.90, 96,887.82 and 39,995.48 is: 55,193.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,208.90 : 96,887.82 = 39,995.48 : x
  2. Step 2: Convert to fraction form
    70,208.90/96,887.82 = 39,995.48/x
  3. Step 3: Cross multiply
    70,208.90x = 96,887.82 × 39,995.48
  4. Step 4: Simplify right side
    70,208.90x = 3,875,074,867.05
  5. Step 5: Solve for x
    x = 3,875,074,867.05/70,208.90
  6. Step 6: Final answer
    x = 55,193.50

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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.