Home / 114,038.28-171,057.87-39,180

Finding the Fourth Proportional to 114,038.28, 171,057.87 and 39,180

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Solution

The fourth proportional to 114,038.28, 171,057.87 and 39,180 is: 58,770.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,038.28 : 171,057.87 = 39,180 : x
  2. Step 2: Convert to fraction form
    114,038.28/171,057.87 = 39,180/x
  3. Step 3: Cross multiply
    114,038.28x = 171,057.87 × 39,180
  4. Step 4: Simplify right side
    114,038.28x = 6,702,047,150.70
  5. Step 5: Solve for x
    x = 6,702,047,150.70/114,038.28
  6. Step 6: Final answer
    x = 58,770.16

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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.