Home / 89,028.42-122,860.77-55,036.02

Finding the Fourth Proportional to 89,028.42, 122,860.77 and 55,036.02

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Solution

The fourth proportional to 89,028.42, 122,860.77 and 55,036.02 is: 75,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,028.42 : 122,860.77 = 55,036.02 : x
  2. Step 2: Convert to fraction form
    89,028.42/122,860.77 = 55,036.02/x
  3. Step 3: Cross multiply
    89,028.42x = 122,860.77 × 55,036.02
  4. Step 4: Simplify right side
    89,028.42x = 6,761,767,794.94
  5. Step 5: Solve for x
    x = 6,761,767,794.94/89,028.42
  6. Step 6: Final answer
    x = 75,950.67

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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.