Home / 124,355.04-171,567.84-75,939.30

Finding the Fourth Proportional to 124,355.04, 171,567.84 and 75,939.30

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Solution

The fourth proportional to 124,355.04, 171,567.84 and 75,939.30 is: 104,770.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,355.04 : 171,567.84 = 75,939.30 : x
  2. Step 2: Convert to fraction form
    124,355.04/171,567.84 = 75,939.30/x
  3. Step 3: Cross multiply
    124,355.04x = 171,567.84 × 75,939.30
  4. Step 4: Simplify right side
    124,355.04x = 13,028,741,672.11
  5. Step 5: Solve for x
    x = 13,028,741,672.11/124,355.04
  6. Step 6: Final answer
    x = 104,770.52

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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.