Home / 95,242.28-142,738.06-53,142.17

Finding the Fourth Proportional to 95,242.28, 142,738.06 and 53,142.17

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Solution

The fourth proportional to 95,242.28, 142,738.06 and 53,142.17 is: 79,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,242.28 : 142,738.06 = 53,142.17 : x
  2. Step 2: Convert to fraction form
    95,242.28/142,738.06 = 53,142.17/x
  3. Step 3: Cross multiply
    95,242.28x = 142,738.06 × 53,142.17
  4. Step 4: Simplify right side
    95,242.28x = 7,585,409,403.44
  5. Step 5: Solve for x
    x = 7,585,409,403.44/95,242.28
  6. Step 6: Final answer
    x = 79,643.30

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1.5x scale

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.