Home / 90,756.99-125,226.71-54,950.34

Finding the Fourth Proportional to 90,756.99, 125,226.71 and 54,950.34

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Solution

The fourth proportional to 90,756.99, 125,226.71 and 54,950.34 is: 75,820.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,756.99 : 125,226.71 = 54,950.34 : x
  2. Step 2: Convert to fraction form
    90,756.99/125,226.71 = 54,950.34/x
  3. Step 3: Cross multiply
    90,756.99x = 125,226.71 × 54,950.34
  4. Step 4: Simplify right side
    90,756.99x = 6,881,250,291.58
  5. Step 5: Solve for x
    x = 6,881,250,291.58/90,756.99
  6. Step 6: Final answer
    x = 75,820.61

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1.5x scale

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.