Home / 51,627.40-77,426.17-14,188.69

Finding the Fourth Proportional to 51,627.40, 77,426.17 and 14,188.69

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Solution

The fourth proportional to 51,627.40, 77,426.17 and 14,188.69 is: 21,278.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,627.40 : 77,426.17 = 14,188.69 : x
  2. Step 2: Convert to fraction form
    51,627.40/77,426.17 = 14,188.69/x
  3. Step 3: Cross multiply
    51,627.40x = 77,426.17 × 14,188.69
  4. Step 4: Simplify right side
    51,627.40x = 1,098,575,924.02
  5. Step 5: Solve for x
    x = 1,098,575,924.02/51,627.40
  6. Step 6: Final answer
    x = 21,278.93

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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.