Home / 90,786.53-125,300.70-52,547.10

Finding the Fourth Proportional to 90,786.53, 125,300.70 and 52,547.10

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Solution

The fourth proportional to 90,786.53, 125,300.70 and 52,547.10 is: 72,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,786.53 : 125,300.70 = 52,547.10 : x
  2. Step 2: Convert to fraction form
    90,786.53/125,300.70 = 52,547.10/x
  3. Step 3: Cross multiply
    90,786.53x = 125,300.70 × 52,547.10
  4. Step 4: Simplify right side
    90,786.53x = 6,584,188,412.97
  5. Step 5: Solve for x
    x = 6,584,188,412.97/90,786.53
  6. Step 6: Final answer
    x = 72,523.85

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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.