Home / 61,816.72-85,231.92-52,239.28

Finding the Fourth Proportional to 61,816.72, 85,231.92 and 52,239.28

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Solution

The fourth proportional to 61,816.72, 85,231.92 and 52,239.28 is: 72,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,816.72 : 85,231.92 = 52,239.28 : x
  2. Step 2: Convert to fraction form
    61,816.72/85,231.92 = 52,239.28/x
  3. Step 3: Cross multiply
    61,816.72x = 85,231.92 × 52,239.28
  4. Step 4: Simplify right side
    61,816.72x = 4,452,454,133.82
  5. Step 5: Solve for x
    x = 4,452,454,133.82/61,816.72
  6. Step 6: Final answer
    x = 72,026.70

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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.