Home / 90,803.45-136,159.76-33,858.06

Finding the Fourth Proportional to 90,803.45, 136,159.76 and 33,858.06

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Solution

The fourth proportional to 90,803.45, 136,159.76 and 33,858.06 is: 50,770.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,803.45 : 136,159.76 = 33,858.06 : x
  2. Step 2: Convert to fraction form
    90,803.45/136,159.76 = 33,858.06/x
  3. Step 3: Cross multiply
    90,803.45x = 136,159.76 × 33,858.06
  4. Step 4: Simplify right side
    90,803.45x = 4,610,105,154.38
  5. Step 5: Solve for x
    x = 4,610,105,154.38/90,803.45
  6. Step 6: Final answer
    x = 50,770.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.