Home / 51,919.04-77,877.44-14,478.12

Finding the Fourth Proportional to 51,919.04, 77,877.44 and 14,478.12

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Solution

The fourth proportional to 51,919.04, 77,877.44 and 14,478.12 is: 21,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,919.04 : 77,877.44 = 14,478.12 : x
  2. Step 2: Convert to fraction form
    51,919.04/77,877.44 = 14,478.12/x
  3. Step 3: Cross multiply
    51,919.04x = 77,877.44 × 14,478.12
  4. Step 4: Simplify right side
    51,919.04x = 1,127,518,763.11
  5. Step 5: Solve for x
    x = 1,127,518,763.11/51,919.04
  6. Step 6: Final answer
    x = 21,716.86

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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.