Home / 53,151.64-79,720.68-15,710.92

Finding the Fourth Proportional to 53,151.64, 79,720.68 and 15,710.92

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Solution

The fourth proportional to 53,151.64, 79,720.68 and 15,710.92 is: 23,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,151.64 : 79,720.68 = 15,710.92 : x
  2. Step 2: Convert to fraction form
    53,151.64/79,720.68 = 15,710.92/x
  3. Step 3: Cross multiply
    53,151.64x = 79,720.68 × 15,710.92
  4. Step 4: Simplify right side
    53,151.64x = 1,252,485,225.83
  5. Step 5: Solve for x
    x = 1,252,485,225.83/53,151.64
  6. Step 6: Final answer
    x = 23,564.38

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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.