Home / 90,847.68-125,368.54-50,561.44

Finding the Fourth Proportional to 90,847.68, 125,368.54 and 50,561.44

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Solution

The fourth proportional to 90,847.68, 125,368.54 and 50,561.44 is: 69,774.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,847.68 : 125,368.54 = 50,561.44 : x
  2. Step 2: Convert to fraction form
    90,847.68/125,368.54 = 50,561.44/x
  3. Step 3: Cross multiply
    90,847.68x = 125,368.54 × 50,561.44
  4. Step 4: Simplify right side
    90,847.68x = 6,338,813,913.10
  5. Step 5: Solve for x
    x = 6,338,813,913.10/90,847.68
  6. Step 6: Final answer
    x = 69,774.09

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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.