Home / 125,113.49-172,656.70-67,753.26

Finding the Fourth Proportional to 125,113.49, 172,656.70 and 67,753.26

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Solution

The fourth proportional to 125,113.49, 172,656.70 and 67,753.26 is: 93,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,113.49 : 172,656.70 = 67,753.26 : x
  2. Step 2: Convert to fraction form
    125,113.49/172,656.70 = 67,753.26/x
  3. Step 3: Cross multiply
    125,113.49x = 172,656.70 × 67,753.26
  4. Step 4: Simplify right side
    125,113.49x = 11,698,054,402.29
  5. Step 5: Solve for x
    x = 11,698,054,402.29/125,113.49
  6. Step 6: Final answer
    x = 93,499.55

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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.