Home / 125,122.64-172,671.48-68,530.37

Finding the Fourth Proportional to 125,122.64, 172,671.48 and 68,530.37

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Solution

The fourth proportional to 125,122.64, 172,671.48 and 68,530.37 is: 94,573.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,122.64 : 172,671.48 = 68,530.37 : x
  2. Step 2: Convert to fraction form
    125,122.64/172,671.48 = 68,530.37/x
  3. Step 3: Cross multiply
    125,122.64x = 172,671.48 × 68,530.37
  4. Step 4: Simplify right side
    125,122.64x = 11,833,239,549.49
  5. Step 5: Solve for x
    x = 11,833,239,549.49/125,122.64
  6. Step 6: Final answer
    x = 94,573.13

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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.