Home / 51,897.10-77,845.72-14,457.28

Finding the Fourth Proportional to 51,897.10, 77,845.72 and 14,457.28

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Solution

The fourth proportional to 51,897.10, 77,845.72 and 14,457.28 is: 21,685.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,897.10 : 77,845.72 = 14,457.28 : x
  2. Step 2: Convert to fraction form
    51,897.10/77,845.72 = 14,457.28/x
  3. Step 3: Cross multiply
    51,897.10x = 77,845.72 × 14,457.28
  4. Step 4: Simplify right side
    51,897.10x = 1,125,437,370.84
  5. Step 5: Solve for x
    x = 1,125,437,370.84/51,897.10
  6. Step 6: Final answer
    x = 21,685.94

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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.