Home / 61,923.08-85,480-41,807.20

Finding the Fourth Proportional to 61,923.08, 85,480 and 41,807.20

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Solution

The fourth proportional to 61,923.08, 85,480 and 41,807.20 is: 57,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,923.08 : 85,480 = 41,807.20 : x
  2. Step 2: Convert to fraction form
    61,923.08/85,480 = 41,807.20/x
  3. Step 3: Cross multiply
    61,923.08x = 85,480 × 41,807.20
  4. Step 4: Simplify right side
    61,923.08x = 3,573,679,456.00
  5. Step 5: Solve for x
    x = 3,573,679,456.00/61,923.08
  6. Step 6: Final answer
    x = 57,711.59

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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.