Home / 123,038.90-184,534.75-51,938.16

Finding the Fourth Proportional to 123,038.90, 184,534.75 and 51,938.16

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Solution

The fourth proportional to 123,038.90, 184,534.75 and 51,938.16 is: 77,897.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,038.90 : 184,534.75 = 51,938.16 : x
  2. Step 2: Convert to fraction form
    123,038.90/184,534.75 = 51,938.16/x
  3. Step 3: Cross multiply
    123,038.90x = 184,534.75 × 51,938.16
  4. Step 4: Simplify right side
    123,038.90x = 9,584,394,743.98
  5. Step 5: Solve for x
    x = 9,584,394,743.98/123,038.90
  6. Step 6: Final answer
    x = 77,897.27

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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.