Home / 75,090.10-103,624.53-41,557.30

Finding the Fourth Proportional to 75,090.10, 103,624.53 and 41,557.30

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Solution

The fourth proportional to 75,090.10, 103,624.53 and 41,557.30 is: 57,349.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,090.10 : 103,624.53 = 41,557.30 : x
  2. Step 2: Convert to fraction form
    75,090.10/103,624.53 = 41,557.30/x
  3. Step 3: Cross multiply
    75,090.10x = 103,624.53 × 41,557.30
  4. Step 4: Simplify right side
    75,090.10x = 4,306,355,680.57
  5. Step 5: Solve for x
    x = 4,306,355,680.57/75,090.10
  6. Step 6: Final answer
    x = 57,349.18

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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.