Home / 125,095.03-172,629.84-67,733.36

Finding the Fourth Proportional to 125,095.03, 172,629.84 and 67,733.36

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Solution

The fourth proportional to 125,095.03, 172,629.84 and 67,733.36 is: 93,471.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,095.03 : 172,629.84 = 67,733.36 : x
  2. Step 2: Convert to fraction form
    125,095.03/172,629.84 = 67,733.36/x
  3. Step 3: Cross multiply
    125,095.03x = 172,629.84 × 67,733.36
  4. Step 4: Simplify right side
    125,095.03x = 11,692,799,099.46
  5. Step 5: Solve for x
    x = 11,692,799,099.46/125,095.03
  6. Step 6: Final answer
    x = 93,471.33

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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.