Home / 99,214.57-136,918.58-53,892.54

Finding the Fourth Proportional to 99,214.57, 136,918.58 and 53,892.54

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Solution

The fourth proportional to 99,214.57, 136,918.58 and 53,892.54 is: 74,373.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,214.57 : 136,918.58 = 53,892.54 : x
  2. Step 2: Convert to fraction form
    99,214.57/136,918.58 = 53,892.54/x
  3. Step 3: Cross multiply
    99,214.57x = 136,918.58 × 53,892.54
  4. Step 4: Simplify right side
    99,214.57x = 7,378,889,931.50
  5. Step 5: Solve for x
    x = 7,378,889,931.50/99,214.57
  6. Step 6: Final answer
    x = 74,373.05

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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.