Home / 124,905.95-172,369.92-68,317.32

Finding the Fourth Proportional to 124,905.95, 172,369.92 and 68,317.32

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Solution

The fourth proportional to 124,905.95, 172,369.92 and 68,317.32 is: 94,277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,905.95 : 172,369.92 = 68,317.32 : x
  2. Step 2: Convert to fraction form
    124,905.95/172,369.92 = 68,317.32/x
  3. Step 3: Cross multiply
    124,905.95x = 172,369.92 × 68,317.32
  4. Step 4: Simplify right side
    124,905.95x = 11,775,851,885.59
  5. Step 5: Solve for x
    x = 11,775,851,885.59/124,905.95
  6. Step 6: Final answer
    x = 94,277.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.