Home / 92,817.04-128,087.60-50,375.56

Finding the Fourth Proportional to 92,817.04, 128,087.60 and 50,375.56

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Solution

The fourth proportional to 92,817.04, 128,087.60 and 50,375.56 is: 69,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,817.04 : 128,087.60 = 50,375.56 : x
  2. Step 2: Convert to fraction form
    92,817.04/128,087.60 = 50,375.56/x
  3. Step 3: Cross multiply
    92,817.04x = 128,087.60 × 50,375.56
  4. Step 4: Simplify right side
    92,817.04x = 6,452,484,579.06
  5. Step 5: Solve for x
    x = 6,452,484,579.06/92,817.04
  6. Step 6: Final answer
    x = 69,518.32

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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.