Home / 61,794.28-85,193.64-49,089.63

Finding the Fourth Proportional to 61,794.28, 85,193.64 and 49,089.63

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Solution

The fourth proportional to 61,794.28, 85,193.64 and 49,089.63 is: 67,678.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,794.28 : 85,193.64 = 49,089.63 : x
  2. Step 2: Convert to fraction form
    61,794.28/85,193.64 = 49,089.63/x
  3. Step 3: Cross multiply
    61,794.28x = 85,193.64 × 49,089.63
  4. Step 4: Simplify right side
    61,794.28x = 4,182,124,585.43
  5. Step 5: Solve for x
    x = 4,182,124,585.43/61,794.28
  6. Step 6: Final answer
    x = 67,678.18

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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.