Home / 99,205.46-136,904.52-53,884.32

Finding the Fourth Proportional to 99,205.46, 136,904.52 and 53,884.32

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Solution

The fourth proportional to 99,205.46, 136,904.52 and 53,884.32 is: 74,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,205.46 : 136,904.52 = 53,884.32 : x
  2. Step 2: Convert to fraction form
    99,205.46/136,904.52 = 53,884.32/x
  3. Step 3: Cross multiply
    99,205.46x = 136,904.52 × 53,884.32
  4. Step 4: Simplify right side
    99,205.46x = 7,377,006,965.13
  5. Step 5: Solve for x
    x = 7,377,006,965.13/99,205.46
  6. Step 6: Final answer
    x = 74,360.90

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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.