Home / 90,051.48-135,034.81-52,622.37

Finding the Fourth Proportional to 90,051.48, 135,034.81 and 52,622.37

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Solution

The fourth proportional to 90,051.48, 135,034.81 and 52,622.37 is: 78,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,051.48 : 135,034.81 = 52,622.37 : x
  2. Step 2: Convert to fraction form
    90,051.48/135,034.81 = 52,622.37/x
  3. Step 3: Cross multiply
    90,051.48x = 135,034.81 × 52,622.37
  4. Step 4: Simplify right side
    90,051.48x = 7,105,851,734.70
  5. Step 5: Solve for x
    x = 7,105,851,734.70/90,051.48
  6. Step 6: Final answer
    x = 78,908.77

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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.