Home / 92,416.65-127,535.01-49,975.20

Finding the Fourth Proportional to 92,416.65, 127,535.01 and 49,975.20

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Solution

The fourth proportional to 92,416.65, 127,535.01 and 49,975.20 is: 68,965.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,416.65 : 127,535.01 = 49,975.20 : x
  2. Step 2: Convert to fraction form
    92,416.65/127,535.01 = 49,975.20/x
  3. Step 3: Cross multiply
    92,416.65x = 127,535.01 × 49,975.20
  4. Step 4: Simplify right side
    92,416.65x = 6,373,587,631.75
  5. Step 5: Solve for x
    x = 6,373,587,631.75/92,416.65
  6. Step 6: Final answer
    x = 68,965.79

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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.