Home / 99,247.96-136,960.52-53,926.64

Finding the Fourth Proportional to 99,247.96, 136,960.52 and 53,926.64

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Solution

The fourth proportional to 99,247.96, 136,960.52 and 53,926.64 is: 74,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,247.96 : 136,960.52 = 53,926.64 : x
  2. Step 2: Convert to fraction form
    99,247.96/136,960.52 = 53,926.64/x
  3. Step 3: Cross multiply
    99,247.96x = 136,960.52 × 53,926.64
  4. Step 4: Simplify right side
    99,247.96x = 7,385,819,701.82
  5. Step 5: Solve for x
    x = 7,385,819,701.82/99,247.96
  6. Step 6: Final answer
    x = 74,417.85

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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.