Home / 99,227.57-136,933.50-53,905.19

Finding the Fourth Proportional to 99,227.57, 136,933.50 and 53,905.19

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Solution

The fourth proportional to 99,227.57, 136,933.50 and 53,905.19 is: 74,388.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,227.57 : 136,933.50 = 53,905.19 : x
  2. Step 2: Convert to fraction form
    99,227.57/136,933.50 = 53,905.19/x
  3. Step 3: Cross multiply
    99,227.57x = 136,933.50 × 53,905.19
  4. Step 4: Simplify right side
    99,227.57x = 7,381,426,334.87
  5. Step 5: Solve for x
    x = 7,381,426,334.87/99,227.57
  6. Step 6: Final answer
    x = 74,388.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.