Home / 125,707.12-173,465.52-74,016.04

Finding the Fourth Proportional to 125,707.12, 173,465.52 and 74,016.04

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Solution

The fourth proportional to 125,707.12, 173,465.52 and 74,016.04 is: 102,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,707.12 : 173,465.52 = 74,016.04 : x
  2. Step 2: Convert to fraction form
    125,707.12/173,465.52 = 74,016.04/x
  3. Step 3: Cross multiply
    125,707.12x = 173,465.52 × 74,016.04
  4. Step 4: Simplify right side
    125,707.12x = 12,839,230,866.94
  5. Step 5: Solve for x
    x = 12,839,230,866.94/125,707.12
  6. Step 6: Final answer
    x = 102,136.07

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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.