Home / 70,030.65-96,633.18-39,815.33

Finding the Fourth Proportional to 70,030.65, 96,633.18 and 39,815.33

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Solution

The fourth proportional to 70,030.65, 96,633.18 and 39,815.33 is: 54,939.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,030.65 : 96,633.18 = 39,815.33 : x
  2. Step 2: Convert to fraction form
    70,030.65/96,633.18 = 39,815.33/x
  3. Step 3: Cross multiply
    70,030.65x = 96,633.18 × 39,815.33
  4. Step 4: Simplify right side
    70,030.65x = 3,847,481,950.65
  5. Step 5: Solve for x
    x = 3,847,481,950.65/70,030.65
  6. Step 6: Final answer
    x = 54,939.97

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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.