Home / 125,192.72-172,773.26-70,743.50

Finding the Fourth Proportional to 125,192.72, 172,773.26 and 70,743.50

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Solution

The fourth proportional to 125,192.72, 172,773.26 and 70,743.50 is: 97,630.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,192.72 : 172,773.26 = 70,743.50 : x
  2. Step 2: Convert to fraction form
    125,192.72/172,773.26 = 70,743.50/x
  3. Step 3: Cross multiply
    125,192.72x = 172,773.26 × 70,743.50
  4. Step 4: Simplify right side
    125,192.72x = 12,222,583,901.23
  5. Step 5: Solve for x
    x = 12,222,583,901.23/125,192.72
  6. Step 6: Final answer
    x = 97,630.15

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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.