Home / 70,942.69-97,899.55-38,677.65

Finding the Fourth Proportional to 70,942.69, 97,899.55 and 38,677.65

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Solution

The fourth proportional to 70,942.69, 97,899.55 and 38,677.65 is: 53,374.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,942.69 : 97,899.55 = 38,677.65 : x
  2. Step 2: Convert to fraction form
    70,942.69/97,899.55 = 38,677.65/x
  3. Step 3: Cross multiply
    70,942.69x = 97,899.55 × 38,677.65
  4. Step 4: Simplify right side
    70,942.69x = 3,786,524,530.06
  5. Step 5: Solve for x
    x = 3,786,524,530.06/70,942.69
  6. Step 6: Final answer
    x = 53,374.41

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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.