Home / 108,867.32-150,245.58-61,123.80

Finding the Fourth Proportional to 108,867.32, 150,245.58 and 61,123.80

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Solution

The fourth proportional to 108,867.32, 150,245.58 and 61,123.80 is: 84,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,867.32 : 150,245.58 = 61,123.80 : x
  2. Step 2: Convert to fraction form
    108,867.32/150,245.58 = 61,123.80/x
  3. Step 3: Cross multiply
    108,867.32x = 150,245.58 × 61,123.80
  4. Step 4: Simplify right side
    108,867.32x = 9,183,580,782.80
  5. Step 5: Solve for x
    x = 9,183,580,782.80/108,867.32
  6. Step 6: Final answer
    x = 84,355.72

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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.