Home / 124,881.45-187,334.49-45,977.24

Finding the Fourth Proportional to 124,881.45, 187,334.49 and 45,977.24

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Solution

The fourth proportional to 124,881.45, 187,334.49 and 45,977.24 is: 68,970.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,881.45 : 187,334.49 = 45,977.24 : x
  2. Step 2: Convert to fraction form
    124,881.45/187,334.49 = 45,977.24/x
  3. Step 3: Cross multiply
    124,881.45x = 187,334.49 × 45,977.24
  4. Step 4: Simplify right side
    124,881.45x = 8,613,121,870.34
  5. Step 5: Solve for x
    x = 8,613,121,870.34/124,881.45
  6. Step 6: Final answer
    x = 68,970.39

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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.