Home / 124,726.21-186,972.67-45,819.25

Finding the Fourth Proportional to 124,726.21, 186,972.67 and 45,819.25

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Solution

The fourth proportional to 124,726.21, 186,972.67 and 45,819.25 is: 68,686.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,726.21 : 186,972.67 = 45,819.25 : x
  2. Step 2: Convert to fraction form
    124,726.21/186,972.67 = 45,819.25/x
  3. Step 3: Cross multiply
    124,726.21x = 186,972.67 × 45,819.25
  4. Step 4: Simplify right side
    124,726.21x = 8,566,947,509.90
  5. Step 5: Solve for x
    x = 8,566,947,509.90/124,726.21
  6. Step 6: Final answer
    x = 68,686.02

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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.