Home / 125,623.40-188,435.10-46,721.30

Finding the Fourth Proportional to 125,623.40, 188,435.10 and 46,721.30

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Solution

The fourth proportional to 125,623.40, 188,435.10 and 46,721.30 is: 70,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,623.40 : 188,435.10 = 46,721.30 : x
  2. Step 2: Convert to fraction form
    125,623.40/188,435.10 = 46,721.30/x
  3. Step 3: Cross multiply
    125,623.40x = 188,435.10 × 46,721.30
  4. Step 4: Simplify right side
    125,623.40x = 8,803,932,837.63
  5. Step 5: Solve for x
    x = 8,803,932,837.63/125,623.40
  6. Step 6: Final answer
    x = 70,081.95

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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.