Home / 75,246.65-112,888.80-53,103.27

Finding the Fourth Proportional to 75,246.65, 112,888.80 and 53,103.27

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Solution

The fourth proportional to 75,246.65, 112,888.80 and 53,103.27 is: 79,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,246.65 : 112,888.80 = 53,103.27 : x
  2. Step 2: Convert to fraction form
    75,246.65/112,888.80 = 53,103.27/x
  3. Step 3: Cross multiply
    75,246.65x = 112,888.80 × 53,103.27
  4. Step 4: Simplify right side
    75,246.65x = 5,994,764,426.38
  5. Step 5: Solve for x
    x = 5,994,764,426.38/75,246.65
  6. Step 6: Final answer
    x = 79,668.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.