Home / 99,263.70-136,985.24-53,942.38

Finding the Fourth Proportional to 99,263.70, 136,985.24 and 53,942.38

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Solution

The fourth proportional to 99,263.70, 136,985.24 and 53,942.38 is: 74,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,263.70 : 136,985.24 = 53,942.38 : x
  2. Step 2: Convert to fraction form
    99,263.70/136,985.24 = 53,942.38/x
  3. Step 3: Cross multiply
    99,263.70x = 136,985.24 × 53,942.38
  4. Step 4: Simplify right side
    99,263.70x = 7,389,309,662.86
  5. Step 5: Solve for x
    x = 7,389,309,662.86/99,263.70
  6. Step 6: Final answer
    x = 74,441.21

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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.