Home / 61,935.13-85,470.83-36,784.09

Finding the Fourth Proportional to 61,935.13, 85,470.83 and 36,784.09

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Solution

The fourth proportional to 61,935.13, 85,470.83 and 36,784.09 is: 50,762.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,935.13 : 85,470.83 = 36,784.09 : x
  2. Step 2: Convert to fraction form
    61,935.13/85,470.83 = 36,784.09/x
  3. Step 3: Cross multiply
    61,935.13x = 85,470.83 × 36,784.09
  4. Step 4: Simplify right side
    61,935.13x = 3,143,966,703.09
  5. Step 5: Solve for x
    x = 3,143,966,703.09/61,935.13
  6. Step 6: Final answer
    x = 50,762.25

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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.