Home / 70,908.50-97,853.73-39,080.36

Finding the Fourth Proportional to 70,908.50, 97,853.73 and 39,080.36

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Solution

The fourth proportional to 70,908.50, 97,853.73 and 39,080.36 is: 53,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,908.50 : 97,853.73 = 39,080.36 : x
  2. Step 2: Convert to fraction form
    70,908.50/97,853.73 = 39,080.36/x
  3. Step 3: Cross multiply
    70,908.50x = 97,853.73 × 39,080.36
  4. Step 4: Simplify right side
    70,908.50x = 3,824,158,995.74
  5. Step 5: Solve for x
    x = 3,824,158,995.74/70,908.50
  6. Step 6: Final answer
    x = 53,930.90

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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.