Home / 70,949.45-97,910.90-39,119.48

Finding the Fourth Proportional to 70,949.45, 97,910.90 and 39,119.48

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Solution

The fourth proportional to 70,949.45, 97,910.90 and 39,119.48 is: 53,985.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,949.45 : 97,910.90 = 39,119.48 : x
  2. Step 2: Convert to fraction form
    70,949.45/97,910.90 = 39,119.48/x
  3. Step 3: Cross multiply
    70,949.45x = 97,910.90 × 39,119.48
  4. Step 4: Simplify right side
    70,949.45x = 3,830,222,809.18
  5. Step 5: Solve for x
    x = 3,830,222,809.18/70,949.45
  6. Step 6: Final answer
    x = 53,985.24

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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.