Home / 99,014.50-136,648.65-54,311.14

Finding the Fourth Proportional to 99,014.50, 136,648.65 and 54,311.14

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Solution

The fourth proportional to 99,014.50, 136,648.65 and 54,311.14 is: 74,954.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,014.50 : 136,648.65 = 54,311.14 : x
  2. Step 2: Convert to fraction form
    99,014.50/136,648.65 = 54,311.14/x
  3. Step 3: Cross multiply
    99,014.50x = 136,648.65 × 54,311.14
  4. Step 4: Simplify right side
    99,014.50x = 7,421,543,960.96
  5. Step 5: Solve for x
    x = 7,421,543,960.96/99,014.50
  6. Step 6: Final answer
    x = 74,954.11

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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.