Home / 99,327.63-149,085.09-36,208.76

Finding the Fourth Proportional to 99,327.63, 149,085.09 and 36,208.76

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Solution

The fourth proportional to 99,327.63, 149,085.09 and 36,208.76 is: 54,347.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,327.63 : 149,085.09 = 36,208.76 : x
  2. Step 2: Convert to fraction form
    99,327.63/149,085.09 = 36,208.76/x
  3. Step 3: Cross multiply
    99,327.63x = 149,085.09 × 36,208.76
  4. Step 4: Simplify right side
    99,327.63x = 5,398,186,336.57
  5. Step 5: Solve for x
    x = 5,398,186,336.57/99,327.63
  6. Step 6: Final answer
    x = 54,347.28

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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.