Home / 53,300.77-79,937.21-15,850.76

Finding the Fourth Proportional to 53,300.77, 79,937.21 and 15,850.76

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Solution

The fourth proportional to 53,300.77, 79,937.21 and 15,850.76 is: 23,771.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,300.77 : 79,937.21 = 15,850.76 : x
  2. Step 2: Convert to fraction form
    53,300.77/79,937.21 = 15,850.76/x
  3. Step 3: Cross multiply
    53,300.77x = 79,937.21 × 15,850.76
  4. Step 4: Simplify right side
    53,300.77x = 1,267,065,170.72
  5. Step 5: Solve for x
    x = 1,267,065,170.72/53,300.77
  6. Step 6: Final answer
    x = 23,771.99

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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.