Home / 109,140.75-150,567.65-62,548.94

Finding the Fourth Proportional to 109,140.75, 150,567.65 and 62,548.94

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Solution

The fourth proportional to 109,140.75, 150,567.65 and 62,548.94 is: 86,290.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,140.75 : 150,567.65 = 62,548.94 : x
  2. Step 2: Convert to fraction form
    109,140.75/150,567.65 = 62,548.94/x
  3. Step 3: Cross multiply
    109,140.75x = 150,567.65 × 62,548.94
  4. Step 4: Simplify right side
    109,140.75x = 9,417,846,905.79
  5. Step 5: Solve for x
    x = 9,417,846,905.79/109,140.75
  6. Step 6: Final answer
    x = 86,290.84

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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.