Home / 61,933.98-85,139.64-53,288.30

Finding the Fourth Proportional to 61,933.98, 85,139.64 and 53,288.30

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Solution

The fourth proportional to 61,933.98, 85,139.64 and 53,288.30 is: 73,254.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,933.98 : 85,139.64 = 53,288.30 : x
  2. Step 2: Convert to fraction form
    61,933.98/85,139.64 = 53,288.30/x
  3. Step 3: Cross multiply
    61,933.98x = 85,139.64 × 53,288.30
  4. Step 4: Simplify right side
    61,933.98x = 4,536,946,678.21
  5. Step 5: Solve for x
    x = 4,536,946,678.21/61,933.98
  6. Step 6: Final answer
    x = 73,254.56

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.