Home / 51,931.65-71,675.01-49,565.14

Finding the Fourth Proportional to 51,931.65, 71,675.01 and 49,565.14

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Solution

The fourth proportional to 51,931.65, 71,675.01 and 49,565.14 is: 68,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,931.65 : 71,675.01 = 49,565.14 : x
  2. Step 2: Convert to fraction form
    51,931.65/71,675.01 = 49,565.14/x
  3. Step 3: Cross multiply
    51,931.65x = 71,675.01 × 49,565.14
  4. Step 4: Simplify right side
    51,931.65x = 3,552,581,905.15
  5. Step 5: Solve for x
    x = 3,552,581,905.15/51,931.65
  6. Step 6: Final answer
    x = 68,408.80

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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.