Home / 99,955.55-149,974.98-43,835.94

Finding the Fourth Proportional to 99,955.55, 149,974.98 and 43,835.94

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Solution

The fourth proportional to 99,955.55, 149,974.98 and 43,835.94 is: 65,772.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,955.55 : 149,974.98 = 43,835.94 : x
  2. Step 2: Convert to fraction form
    99,955.55/149,974.98 = 43,835.94/x
  3. Step 3: Cross multiply
    99,955.55x = 149,974.98 × 43,835.94
  4. Step 4: Simplify right side
    99,955.55x = 6,574,293,737.55
  5. Step 5: Solve for x
    x = 6,574,293,737.55/99,955.55
  6. Step 6: Final answer
    x = 65,772.17

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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.