Home / 99,030.99-136,662.83-53,708.96

Finding the Fourth Proportional to 99,030.99, 136,662.83 and 53,708.96

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Solution

The fourth proportional to 99,030.99, 136,662.83 and 53,708.96 is: 74,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,030.99 : 136,662.83 = 53,708.96 : x
  2. Step 2: Convert to fraction form
    99,030.99/136,662.83 = 53,708.96/x
  3. Step 3: Cross multiply
    99,030.99x = 136,662.83 × 53,708.96
  4. Step 4: Simplify right side
    99,030.99x = 7,340,018,469.96
  5. Step 5: Solve for x
    x = 7,340,018,469.96/99,030.99
  6. Step 6: Final answer
    x = 74,118.40

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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.