Home / 125,056.38-172,577.81-68,467.76

Finding the Fourth Proportional to 125,056.38, 172,577.81 and 68,467.76

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Solution

The fourth proportional to 125,056.38, 172,577.81 and 68,467.76 is: 94,485.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,056.38 : 172,577.81 = 68,467.76 : x
  2. Step 2: Convert to fraction form
    125,056.38/172,577.81 = 68,467.76/x
  3. Step 3: Cross multiply
    125,056.38x = 172,577.81 × 68,467.76
  4. Step 4: Simplify right side
    125,056.38x = 11,816,014,871.18
  5. Step 5: Solve for x
    x = 11,816,014,871.18/125,056.38
  6. Step 6: Final answer
    x = 94,485.50

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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.