Home / 75,579.41-104,256.27-47,235.89

Finding the Fourth Proportional to 75,579.41, 104,256.27 and 47,235.89

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Solution

The fourth proportional to 75,579.41, 104,256.27 and 47,235.89 is: 65,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,579.41 : 104,256.27 = 47,235.89 : x
  2. Step 2: Convert to fraction form
    75,579.41/104,256.27 = 47,235.89/x
  3. Step 3: Cross multiply
    75,579.41x = 104,256.27 × 47,235.89
  4. Step 4: Simplify right side
    75,579.41x = 4,924,637,180.25
  5. Step 5: Solve for x
    x = 4,924,637,180.25/75,579.41
  6. Step 6: Final answer
    x = 65,158.45

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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.