Home / 53,143.72-79,663.74-25,461.16

Finding the Fourth Proportional to 53,143.72, 79,663.74 and 25,461.16

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Solution

The fourth proportional to 53,143.72, 79,663.74 and 25,461.16 is: 38,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,143.72 : 79,663.74 = 25,461.16 : x
  2. Step 2: Convert to fraction form
    53,143.72/79,663.74 = 25,461.16/x
  3. Step 3: Cross multiply
    53,143.72x = 79,663.74 × 25,461.16
  4. Step 4: Simplify right side
    53,143.72x = 2,028,331,230.34
  5. Step 5: Solve for x
    x = 2,028,331,230.34/53,143.72
  6. Step 6: Final answer
    x = 38,166.90

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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.