Home / 53,250.15-79,887.51-15,809.38

Finding the Fourth Proportional to 53,250.15, 79,887.51 and 15,809.38

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Solution

The fourth proportional to 53,250.15, 79,887.51 and 15,809.38 is: 23,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,250.15 : 79,887.51 = 15,809.38 : x
  2. Step 2: Convert to fraction form
    53,250.15/79,887.51 = 15,809.38/x
  3. Step 3: Cross multiply
    53,250.15x = 79,887.51 × 15,809.38
  4. Step 4: Simplify right side
    53,250.15x = 1,262,972,002.84
  5. Step 5: Solve for x
    x = 1,262,972,002.84/53,250.15
  6. Step 6: Final answer
    x = 23,717.72

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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.