Home / 90,374.34-135,530.30-37,051.19

Finding the Fourth Proportional to 90,374.34, 135,530.30 and 37,051.19

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Solution

The fourth proportional to 90,374.34, 135,530.30 and 37,051.19 is: 55,563.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,374.34 : 135,530.30 = 37,051.19 : x
  2. Step 2: Convert to fraction form
    90,374.34/135,530.30 = 37,051.19/x
  3. Step 3: Cross multiply
    90,374.34x = 135,530.30 × 37,051.19
  4. Step 4: Simplify right side
    90,374.34x = 5,021,558,033.15
  5. Step 5: Solve for x
    x = 5,021,558,033.15/90,374.34
  6. Step 6: Final answer
    x = 55,563.98

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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.