Home / 70,908.26-97,855.45-39,079.21

Finding the Fourth Proportional to 70,908.26, 97,855.45 and 39,079.21

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Solution

The fourth proportional to 70,908.26, 97,855.45 and 39,079.21 is: 53,930.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,908.26 : 97,855.45 = 39,079.21 : x
  2. Step 2: Convert to fraction form
    70,908.26/97,855.45 = 39,079.21/x
  3. Step 3: Cross multiply
    70,908.26x = 97,855.45 × 39,079.21
  4. Step 4: Simplify right side
    70,908.26x = 3,824,113,680.19
  5. Step 5: Solve for x
    x = 3,824,113,680.19/70,908.26
  6. Step 6: Final answer
    x = 53,930.44

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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.