Home / 124,893.09-172,353.83-68,303.25

Finding the Fourth Proportional to 124,893.09, 172,353.83 and 68,303.25

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Solution

The fourth proportional to 124,893.09, 172,353.83 and 68,303.25 is: 94,259.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,893.09 : 172,353.83 = 68,303.25 : x
  2. Step 2: Convert to fraction form
    124,893.09/172,353.83 = 68,303.25/x
  3. Step 3: Cross multiply
    124,893.09x = 172,353.83 × 68,303.25
  4. Step 4: Simplify right side
    124,893.09x = 11,772,326,397.43
  5. Step 5: Solve for x
    x = 11,772,326,397.43/124,893.09
  6. Step 6: Final answer
    x = 94,259.23

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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.