Home / 70,945.33-97,903.23-38,680.30

Finding the Fourth Proportional to 70,945.33, 97,903.23 and 38,680.30

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Solution

The fourth proportional to 70,945.33, 97,903.23 and 38,680.30 is: 53,378.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,945.33 : 97,903.23 = 38,680.30 : x
  2. Step 2: Convert to fraction form
    70,945.33/97,903.23 = 38,680.30/x
  3. Step 3: Cross multiply
    70,945.33x = 97,903.23 × 38,680.30
  4. Step 4: Simplify right side
    70,945.33x = 3,786,926,307.37
  5. Step 5: Solve for x
    x = 3,786,926,307.37/70,945.33
  6. Step 6: Final answer
    x = 53,378.09

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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.