Home / 53,354.34-73,416.51-51,731.10

Finding the Fourth Proportional to 53,354.34, 73,416.51 and 51,731.10

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Solution

The fourth proportional to 53,354.34, 73,416.51 and 51,731.10 is: 71,182.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,354.34 : 73,416.51 = 51,731.10 : x
  2. Step 2: Convert to fraction form
    53,354.34/73,416.51 = 51,731.10/x
  3. Step 3: Cross multiply
    53,354.34x = 73,416.51 × 51,731.10
  4. Step 4: Simplify right side
    53,354.34x = 3,797,916,820.46
  5. Step 5: Solve for x
    x = 3,797,916,820.46/53,354.34
  6. Step 6: Final answer
    x = 71,182.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.