Home / 61,970.72-85,519.67-35,115.03

Finding the Fourth Proportional to 61,970.72, 85,519.67 and 35,115.03

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Solution

The fourth proportional to 61,970.72, 85,519.67 and 35,115.03 is: 48,458.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,970.72 : 85,519.67 = 35,115.03 : x
  2. Step 2: Convert to fraction form
    61,970.72/85,519.67 = 35,115.03/x
  3. Step 3: Cross multiply
    61,970.72x = 85,519.67 × 35,115.03
  4. Step 4: Simplify right side
    61,970.72x = 3,003,025,602.06
  5. Step 5: Solve for x
    x = 3,003,025,602.06/61,970.72
  6. Step 6: Final answer
    x = 48,458.79

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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.