Home / 57,051.18-85,518.45-19,600.02

Finding the Fourth Proportional to 57,051.18, 85,518.45 and 19,600.02

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Solution

The fourth proportional to 57,051.18, 85,518.45 and 19,600.02 is: 29,379.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,051.18 : 85,518.45 = 19,600.02 : x
  2. Step 2: Convert to fraction form
    57,051.18/85,518.45 = 19,600.02/x
  3. Step 3: Cross multiply
    57,051.18x = 85,518.45 × 19,600.02
  4. Step 4: Simplify right side
    57,051.18x = 1,676,163,330.37
  5. Step 5: Solve for x
    x = 1,676,163,330.37/57,051.18
  6. Step 6: Final answer
    x = 29,379.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.