Home / 47,001.42-64,865.04-25,780.68

Finding the Fourth Proportional to 47,001.42, 64,865.04 and 25,780.68

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Solution

The fourth proportional to 47,001.42, 64,865.04 and 25,780.68 is: 35,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,001.42 : 64,865.04 = 25,780.68 : x
  2. Step 2: Convert to fraction form
    47,001.42/64,865.04 = 25,780.68/x
  3. Step 3: Cross multiply
    47,001.42x = 64,865.04 × 25,780.68
  4. Step 4: Simplify right side
    47,001.42x = 1,672,264,839.43
  5. Step 5: Solve for x
    x = 1,672,264,839.43/47,001.42
  6. Step 6: Final answer
    x = 35,579.03

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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.