Home / 123,045.18-184,445.14-51,985.71

Finding the Fourth Proportional to 123,045.18, 184,445.14 and 51,985.71

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Solution

The fourth proportional to 123,045.18, 184,445.14 and 51,985.71 is: 77,926.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,045.18 : 184,445.14 = 51,985.71 : x
  2. Step 2: Convert to fraction form
    123,045.18/184,445.14 = 51,985.71/x
  3. Step 3: Cross multiply
    123,045.18x = 184,445.14 × 51,985.71
  4. Step 4: Simplify right side
    123,045.18x = 9,588,511,558.95
  5. Step 5: Solve for x
    x = 9,588,511,558.95/123,045.18
  6. Step 6: Final answer
    x = 77,926.75

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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.