Home / 125,018.27-172,523.89-67,656.34

Finding the Fourth Proportional to 125,018.27, 172,523.89 and 67,656.34

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Solution

The fourth proportional to 125,018.27, 172,523.89 and 67,656.34 is: 93,365.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,018.27 : 172,523.89 = 67,656.34 : x
  2. Step 2: Convert to fraction form
    125,018.27/172,523.89 = 67,656.34/x
  3. Step 3: Cross multiply
    125,018.27x = 172,523.89 × 67,656.34
  4. Step 4: Simplify right side
    125,018.27x = 11,672,334,959.96
  5. Step 5: Solve for x
    x = 11,672,334,959.96/125,018.27
  6. Step 6: Final answer
    x = 93,365.03

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1.5x scale

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.