Home / 125,870.69-188,787.26-41,631.32

Finding the Fourth Proportional to 125,870.69, 188,787.26 and 41,631.32

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Solution

The fourth proportional to 125,870.69, 188,787.26 and 41,631.32 is: 62,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,870.69 : 188,787.26 = 41,631.32 : x
  2. Step 2: Convert to fraction form
    125,870.69/188,787.26 = 41,631.32/x
  3. Step 3: Cross multiply
    125,870.69x = 188,787.26 × 41,631.32
  4. Step 4: Simplify right side
    125,870.69x = 7,859,463,409.03
  5. Step 5: Solve for x
    x = 7,859,463,409.03/125,870.69
  6. Step 6: Final answer
    x = 62,440.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.