Home / 80,527.03-120,606.52-38,436.65

Finding the Fourth Proportional to 80,527.03, 120,606.52 and 38,436.65

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Solution

The fourth proportional to 80,527.03, 120,606.52 and 38,436.65 is: 57,567.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,527.03 : 120,606.52 = 38,436.65 : x
  2. Step 2: Convert to fraction form
    80,527.03/120,606.52 = 38,436.65/x
  3. Step 3: Cross multiply
    80,527.03x = 120,606.52 × 38,436.65
  4. Step 4: Simplify right side
    80,527.03x = 4,635,710,802.38
  5. Step 5: Solve for x
    x = 4,635,710,802.38/80,527.03
  6. Step 6: Final answer
    x = 57,567.14

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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.