Home / 99,246.06-136,979.10-56,832.84

Finding the Fourth Proportional to 99,246.06, 136,979.10 and 56,832.84

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Solution

The fourth proportional to 99,246.06, 136,979.10 and 56,832.84 is: 78,440.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,246.06 : 136,979.10 = 56,832.84 : x
  2. Step 2: Convert to fraction form
    99,246.06/136,979.10 = 56,832.84/x
  3. Step 3: Cross multiply
    99,246.06x = 136,979.10 × 56,832.84
  4. Step 4: Simplify right side
    99,246.06x = 7,784,911,273.64
  5. Step 5: Solve for x
    x = 7,784,911,273.64/99,246.06
  6. Step 6: Final answer
    x = 78,440.51

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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.