Home / 95,126.51-142,758.95-76,629.84

Finding the Fourth Proportional to 95,126.51, 142,758.95 and 76,629.84

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Solution

The fourth proportional to 95,126.51, 142,758.95 and 76,629.84 is: 115,000.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,126.51 : 142,758.95 = 76,629.84 : x
  2. Step 2: Convert to fraction form
    95,126.51/142,758.95 = 76,629.84/x
  3. Step 3: Cross multiply
    95,126.51x = 142,758.95 × 76,629.84
  4. Step 4: Simplify right side
    95,126.51x = 10,939,595,113.92
  5. Step 5: Solve for x
    x = 10,939,595,113.92/95,126.51
  6. Step 6: Final answer
    x = 115,000.49

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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.