Home / 91,832.60-126,730.37-55,528.94

Finding the Fourth Proportional to 91,832.60, 126,730.37 and 55,528.94

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Solution

The fourth proportional to 91,832.60, 126,730.37 and 55,528.94 is: 76,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,832.60 : 126,730.37 = 55,528.94 : x
  2. Step 2: Convert to fraction form
    91,832.60/126,730.37 = 55,528.94/x
  3. Step 3: Cross multiply
    91,832.60x = 126,730.37 × 55,528.94
  4. Step 4: Simplify right side
    91,832.60x = 7,037,203,567.56
  5. Step 5: Solve for x
    x = 7,037,203,567.56/91,832.60
  6. Step 6: Final answer
    x = 76,630.78

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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.