Home / 120,971.88-181,494.72-61,849.06

Finding the Fourth Proportional to 120,971.88, 181,494.72 and 61,849.06

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Solution

The fourth proportional to 120,971.88, 181,494.72 and 61,849.06 is: 92,792.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,971.88 : 181,494.72 = 61,849.06 : x
  2. Step 2: Convert to fraction form
    120,971.88/181,494.72 = 61,849.06/x
  3. Step 3: Cross multiply
    120,971.88x = 181,494.72 × 61,849.06
  4. Step 4: Simplify right side
    120,971.88x = 11,225,277,373.23
  5. Step 5: Solve for x
    x = 11,225,277,373.23/120,971.88
  6. Step 6: Final answer
    x = 92,792.45

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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.