Home / 70,909.75-97,857.48-39,080.70

Finding the Fourth Proportional to 70,909.75, 97,857.48 and 39,080.70

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Solution

The fourth proportional to 70,909.75, 97,857.48 and 39,080.70 is: 53,932.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,909.75 : 97,857.48 = 39,080.70 : x
  2. Step 2: Convert to fraction form
    70,909.75/97,857.48 = 39,080.70/x
  3. Step 3: Cross multiply
    70,909.75x = 97,857.48 × 39,080.70
  4. Step 4: Simplify right side
    70,909.75x = 3,824,338,818.64
  5. Step 5: Solve for x
    x = 3,824,338,818.64/70,909.75
  6. Step 6: Final answer
    x = 53,932.48

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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.